__bitmap_parse (9)   - convert an ASCII hex string into a bitmap.
__bitmap_parselist (9) - convert list format ASCII string to bitmap
APR::String (3pm)    - Perl API for manipulating APR UUIDs
APR::Table (3pm)     - Perl API for manipulating APR opaque string-content ta...
argz_stringify (3)   - functions to handle an argz list
ASN1_STRING_cmp (3ssl) - ASN1_STRING utility functions
ASN1_STRING_data (3ssl) - ASN1_STRING utility functions
ASN1_STRING_dup (3ssl) - ASN1_STRING utility functions
ASN1_STRING_free (3ssl) - ASN1_STRING allocation functions
ASN1_STRING_length (3ssl) - ASN1_STRING utility functions
ASN1_STRING_length_set (3ssl) - ASN1_STRING utility functions
ASN1_STRING_new (3ssl) - ASN1_STRING allocation functions
ASN1_STRING_print_ex (3ssl) - ASN1_STRING output routines.
ASN1_STRING_print_ex_fp (3ssl) - ASN1_STRING output routines.
ASN1_STRING_set (3ssl) - ASN1_STRING utility functions
ASN1_STRING_type (3ssl) - ASN1_STRING utility functions
ASN1_STRING_type_new (3ssl) - ASN1_STRING allocation functions
asprintf (3)         - print to allocated string
ata_id_c_string (9)  - Convert IDENTIFY DEVICE page into C string
ata_id_string (9)    - Convert IDENTIFY DEVICE page into string
ata_mode_string (9)  - convert xfer_mask to string
atof (3)             - convert a string to a double
atoi (3)             - convert a string to an integer
atol (3)             - convert a string to an integer
atoll (3)            - convert a string to an integer
atoq (3)             - convert a string to an integer
Bit::Vector::String (3pm) - Generic string import/export for Bit::Vector
bitmap_parse_user (9) - convert an ASCII hex string in a user buffer into a b...
bitmap_print_to_pagebuf (9) - convert bitmap to list or hex format ASCII string
bprintf (9)          - Parse a format string and place args' binary value in ...
bstr_printf (9)      - Format a string from binary arguments and place it in ...
bstring (3)          - byte string operations
confstr (3)          - get configuration dependent string variables
Data::Dumper (3perl) - stringified perl data structures, suitable for both pr...
Data::Perl::Role::String (3pm) - Wrapping class for Perl scalar strings.
Data::Perl::String (3pm) - Wrapping class for Perl scalar strings.
Data::Perl::String::MooseLike (3pm) - data::Perl::String subclass that simula...
Date::Parse (3pm)    - Parse date strings into time values
des_read_pw_string (3ssl) - Compatibility user interface functions
DES_string_to_2keys (3ssl) - DES encryption
DES_string_to_key (3ssl) - DES encryption
dev_driver_string (9) - Return a device's driver name, if at all possible
devm_kasprintf (9)   - Allocate resource managed space and format a string in...
devm_kstrdup (9)     - Allocate resource managed space and copy an existing s...
devm_kvasprintf (9)  - Allocate resource managed space and format a string in...
dma_buf_export (9)   - Creates a new dma_buf, and associates an anon file wit...
dmi_match (9)        - compare a string to the dmi field (if exists)
dmi_name_in_vendors (9) - Check if string is in the DMI system or board vendo...
Dpkg::Substvars (3)  - handle variable substitution in strings
ecvt (3)             - convert a floating-point number to a string
ecvt_r (3)           - convert a floating-point number to a string
envsubst (1)         - substitutes environment variables in shell format strings
envz (3)             - environment string support
envz_add (3)         - environment string support
envz_entry (3)       - environment string support
envz_get (3)         - environment string support
envz_merge (3)       - environment string support
envz_remove (3)      - environment string support
envz_strip (3)       - environment string support
ERR_error_string (3ssl) - obtain human-readable error message
ERR_error_string_n (3ssl) - obtain human-readable error message
ERR_free_strings (3ssl) - load and free error strings
ERR_func_error_string (3ssl) - obtain human-readable error message
ERR_get_next_error_library (3ssl) - load arbitrary error strings
ERR_lib_error_string (3ssl) - obtain human-readable error message
ERR_load_crypto_strings (3ssl) - load and free error strings
ERR_load_strings (3ssl) - load arbitrary error strings
ERR_load_UI_strings (3ssl) - New User Interface
ERR_PACK (3ssl)      - load arbitrary error strings
ERR_reason_error_string (3ssl) - obtain human-readable error message
Eval::Closure (3pm)  - safely and cleanly create closures via string eval
Eval::TypeTiny (3pm) - utility to evaluate a string of Perl code in a clean e...
fcvt (3)             - convert a floating-point number to a string
fcvt_r (3)           - convert a floating-point number to a string
fgetc (3)            - input of characters and strings
fgets (3)            - input of characters and strings
fgetws (3)           - read a wide-character string from a FILE stream
fnmatch (3am)        - compare a string against a filename wildcard
fputc (3)            - output of characters and strings
fputs (3)            - output of characters and strings
fputws (3)           - write a wide-character string to a FILE stream
gcvt (3)             - convert a floating-point number to a string
get_option (9)       - Parse integer from an option string
get_options (9)      - Parse a string into a list of integers
getc (3)             - input of characters and strings
getchar (3)          - input of characters and strings
getdate (3)          - convert a date-plus-time string to broken-down time
getdate_err (3)      - convert a date-plus-time string to broken-down time
getdate_r (3)        - convert a date-plus-time string to broken-down time
getdelim (3)         - delimited string input
getline (3)          - delimited string input
gets (3)             - get a string from standard input (DEPRECATED)
getsubopt (3)        - parse suboption arguments from a string
HTML::Entities (3pm) - Encode or decode strings with HTML entities
index (3)            - locate character in string
IO::Stringy (3pm)    - I/O on in-core objects like strings and arrays
kstrdup (9)          - allocate space for and copy an existing string
kstrdup_const (9)    - conditionally duplicate an existing const string
kstrndup (9)         - allocate space for and copy an existing string
kstrtoint (9)        - convert a string to an int
kstrtol (9)          - convert a string to a long
kstrtoll (9)         - convert a string to a long long
kstrtouint (9)       - convert a string to an unsigned int
kstrtoul (9)         - convert a string to an unsigned long
kstrtoull (9)        - convert a string to an unsigned long long
linux-version (1)    - operate on Linux kernel version strings
look (1)             - display lines beginning with a given string
Mail::Message::Body::String (3pm) - body of a Mail::Message stored as single ...
Mail::SPF::MacroString (3pm) - SPF record macro string class
match_string (9)     - matches given string in an array
mbsnrtowcs (3)       - convert a multibyte string to a wide-character string
mbsrtowcs (3)        - convert a multibyte string to a wide-character string
mbstowcs (3)         - convert a multibyte string to a wide-character string
memmem (3)           - locate a substring
memparse (9)         - parse a string with mem suffixes into a number
MIME::Base64 (3perl) - Encoding and decoding of base64 strings
MIME::QuotedPrint (3perl) - Encoding and decoding of quoted-printable strings
mode_to_security_class (3) - convert between SELinux class and permission val...
Moose::Meta::Attribute::Native::Trait... (3pm) - Helper trait for Str attributes
mpt_get_product_name (9) - returns product string
Net::DBus::Dumper (3pm) - Stringify Net::DBus objects suitable for printing
numfmt (1)           - Convert numbers from/to human-readable strings
ordchr (3am)         - convert characters to strings and vice versa
pam_strerror (3)     - return string describing PAM error code
pcre16_copy_named_substring (3) - Perl-compatible regular expressions
pcre16_copy_substring (3) - Perl-compatible regular expressions
pcre16_free_substring (3) - Perl-compatible regular expressions
pcre16_free_substring_list (3) - Perl-compatible regular expressions
pcre16_get_named_substring (3) - Perl-compatible regular expressions
pcre16_get_stringnumber (3) - Perl-compatible regular expressions
pcre16_get_stringtable_entries (3) - Perl-compatible regular expressions
pcre16_get_substring (3) - Perl-compatible regular expressions
pcre16_get_substring_list (3) - Perl-compatible regular expressions
pcre32_copy_named_substring (3) - Perl-compatible regular expressions
pcre32_copy_substring (3) - Perl-compatible regular expressions
pcre32_free_substring (3) - Perl-compatible regular expressions
pcre32_free_substring_list (3) - Perl-compatible regular expressions
pcre32_get_named_substring (3) - Perl-compatible regular expressions
pcre32_get_stringnumber (3) - Perl-compatible regular expressions
pcre32_get_stringtable_entries (3) - Perl-compatible regular expressions
pcre32_get_substring (3) - Perl-compatible regular expressions
pcre32_get_substring_list (3) - Perl-compatible regular expressions
pcre_copy_named_substring (3) - Perl-compatible regular expressions
pcre_copy_substring (3) - Perl-compatible regular expressions
pcre_free_substring (3) - Perl-compatible regular expressions
pcre_free_substring_list (3) - Perl-compatible regular expressions
pcre_get_named_substring (3) - Perl-compatible regular expressions
pcre_get_stringnumber (3) - Perl-compatible regular expressions
pcre_get_stringtable_entries (3) - Perl-compatible regular expressions
pcre_get_substring (3) - Perl-compatible regular expressions
pcre_get_substring_list (3) - Perl-compatible regular expressions
PerlIO::via::QuotedPrint (3perl) - PerlIO layer for quoted-printable strings
print_access_vector (3) - convert between SELinux class and permission values...
proc_dostring (9)    - read a string sysctl
putc (3)             - output of characters and strings
putchar (3)          - output of characters and strings
puts (3)             - output of characters and strings
qecvt (3)            - convert a floating-point number to a string
qecvt_r (3)          - convert a floating-point number to a string
qfcvt (3)            - convert a floating-point number to a string
qfcvt_r (3)          - convert a floating-point number to a string
qgcvt (3)            - convert a floating-point number to a string
readfile (3am)       - return the entire contents of a file as a string
Regexp::Common::balanced (3pm) - - provide regexes for strings with balanced ...
Regexp::Common::delimited (3pm) - - provides a regex for delimited strings
replace (1)          - a string-replacement utility
revoutput (3am)      - Reverse output strings sample extension
revtwoway (3am)      - Reverse strings sample two-way processor extension
rindex (3)           - locate character in string
RSA_sign_ASN1_OCTET_STRING (3ssl) - RSA signatures
RSA_verify_ASN1_OCTET_STRING (3ssl) - RSA signatures
scnprintf (9)        - Format a string and place it in a buffer
security_av_perm_to_string (3) - convert between SELinux class and permission...
security_av_string (3) - convert between SELinux class and permission values ...
security_class_to_string (3) - convert between SELinux class and permission v...
selabel_lookup (3)   - obtain SELinux security context from a string label
selabel_lookup_raw (3) - obtain SELinux security context from a string label
selinux_raw_context_to_color (3) - Return RGB color string for an SELinux sec...
seq_escape (9)       - print string into buffer, escaping some characters
simple_strtol (9)    - convert a string to a signed long
simple_strtoll (9)   - convert a string to a signed long long
simple_strtoul (9)   - convert a string to an unsigned long
simple_strtoull (9)  - convert a string to an unsigned long long
slapauth (8)         - Check a list of string-represented IDs for LDAP authc/...
slapdn (8)           - Check a list of string-represented LDAP DNs based on s...
snd_component_add (9) - add a component string
snd_info_get_str (9) - parse a string token
snd_pcm_format_name (9) - Return a name string for the given PCM format
snd_pcm_stream_str (9) - Get a string naming the direction of a stream
snprintf (9)         - Format a string and place it in a buffer
SPI_getvalue (3)     - return the string value of the specified column
SPI_result_code_string (3) - return error code as string
sprintf (9)          - Format a string and place it in a buffer
SSL_alert_desc_string (3ssl) - get textual description of alert information
SSL_alert_desc_string_long (3ssl) - get textual description of alert information
SSL_alert_type_string (3ssl) - get textual description of alert information
SSL_alert_type_string_long (3ssl) - get textual description of alert information
SSL_load_error_strings (3ssl) - load and free error strings
SSL_rstate_string (3ssl) - get textual description of state of an SSL object ...
SSL_rstate_string_long (3ssl) - get textual description of state of an SSL ob...
SSL_state_string (3ssl) - get textual description of state of an SSL object
SSL_state_string_long (3ssl) - get textual description of state of an SSL object
stpcpy (3)           - copy a string returning a pointer to its end
stpncpy (3)          - copy a fixed-size string, returning a pointer to its end
strcasecmp (3)       - compare two strings ignoring case
strcasestr (3)       - locate a substring
strcat (3)           - concatenate two strings
strcat (9)           - Append one NUL-terminated string to another
strchr (3)           - locate character in string
strchr (9)           - Find the first occurrence of a character in a string
strchrnul (3)        - locate character in string
strchrnul (9)        - Find and return a character in a string, or end of string
strcmp (3)           - compare two strings
strcmp (9)           - Compare two strings
strcoll (3)          - compare two strings using the current locale
strcpy (3)           - copy a string
strcpy (9)           - Copy a NUL terminated string
strcspn (3)          - get length of a prefix substring
strcspn (9)          - Calculate the length of the initial substring of s whi...
strdup (3)           - duplicate a string
strdupa (3)          - duplicate a string
strerror (3)         - return string describing error number
strerror_r (3)       - return string describing error number
strfmon (3)          - convert monetary value to a string
strfry (3)           - randomize a string
string (3)           - string operations
string_to_av_perm (3) - convert between SELinux class and permission values a...
string_to_security_class (3) - convert between SELinux class and permission v...
strings (1)          - print the strings of printable characters in files.
strlcat (9)          - Append a length-limited, C-string to another
strlcpy (9)          - Copy a C-string into a sized buffer
strlen (3)           - calculate the length of a string
strlen (9)           - Find the length of a string
strncasecmp (3)      - compare two strings ignoring case
strncasecmp (9)      - Case insensitive, length-limited string comparison
strncat (3)          - concatenate two strings
strncat (9)          - Append a length-limited, C-string to another
strnchr (9)          - Find a character in a length limited string
strncmp (3)          - compare two strings
strncmp (9)          - Compare two length-limited strings
strncpy (3)          - copy a string
strncpy (9)          - Copy a length-limited, C-string
strndup (3)          - duplicate a string
strndupa (3)         - duplicate a string
strnlen (3)          - determine the length of a fixed-size string
strnlen (9)          - Find the length of a length-limited string
strnstr (9)          - Find the first substring in a length-limited string
strpbrk (3)          - search a string for any of a set of bytes
strptime (3)         - convert a string representation of time to a time tm s...
strrchr (3)          - locate character in string
strrchr (9)          - Find the last occurrence of a character in a string
strreplace (9)       - Replace all occurrences of character in string.
strscpy (9)          - Copy a C-string into a sized buffer
strsep (3)           - extract token from string
strsep (9)           - Split a string into tokens
strsignal (3)        - return string describing signal
strspn (3)           - get length of a prefix substring
strspn (9)           - Calculate the length of the initial substring of s whi...
strstr (3)           - locate a substring
strstr (9)           - Find the first substring in a NUL terminated string
strtod (3)           - convert ASCII string to floating-point number
strtof (3)           - convert ASCII string to floating-point number
strtoimax (3)        - convert string to integer
strtok (3)           - extract tokens from strings
strtok_r (3)         - extract tokens from strings
strtol (3)           - convert a string to a long integer
strtold (3)          - convert ASCII string to floating-point number
strtoll (3)          - convert a string to a long integer
strtoq (3)           - convert a string to a long integer
strtoul (3)          - convert a string to an unsigned long integer
strtoull (3)         - convert a string to an unsigned long integer
strtoumax (3)        - convert string to integer
strtouq (3)          - convert a string to an unsigned long integer
struct_usb_gadget_strings (9) - a set of USB strings in a given language
struct_usb_string (9) - wraps a C string and its USB id
strverscmp (3)       - compare two version strings
strxfrm (3)          - string transformation
Sub::Quote (3pm)     - efficient generation of subroutines via string eval
sysfs_streq (9)      - return true if strings are equal, modulo trailing newline
systemd-escape (1)   - Escape strings for usage in system unit names
Test::Differences (3pm) - Test strings and data structures and show differenc...
Test::LongString (3pm) - tests strings for equality, with more helpful failures
Text::Balanced (3perl) - Extract delimited text sequences from strings.
Text::CharWidth (3pm) - Get number of occupied columns of a string on terminal
trace_puts (9)       - write a string into the ftrace buffer
Type::Parser (3pm)   - parse type constraint strings
Type::Tiny::Enum (3pm) - string enum type constraints
Types::Common::String (3pm) - drop-in replacement for MooseX::Types::Common::...
UI_add_error_string (3ssl) - New User Interface
UI_add_info_string (3ssl) - New User Interface
UI_add_input_string (3ssl) - New User Interface
UI_add_verify_string (3ssl) - New User Interface
UI_dup_error_string (3ssl) - New User Interface
UI_dup_info_string (3ssl) - New User Interface
UI_dup_input_string (3ssl) - New User Interface
UI_dup_verify_string (3ssl) - New User Interface
ungetc (3)           - input of characters and strings
URI::_punycode (3pm) - encodes Unicode string in Punycode
URI::Split (3pm)     - Parse and compose URI strings
usb_gadget_get_string (9) - fill out a string descriptor
usb_gstrings_attach (9) - attach gadget strings to a cdev and assign ids
usb_speed_string (9) - Returns human readable-name of the speed.
usb_state_string (9) - Returns human readable name for the state.
usb_string (9)       - returns UTF-8 version of a string descriptor
usb_string_id (9)    - allocate an unused string ID
usb_string_ids_n (9) - allocate unused string IDs in batch
usb_string_ids_tab (9) - allocate unused string IDs in batch
vasprintf (3)        - print to allocated string
vbin_printf (9)      - Parse a format string and place args' binary value in ...
vscnprintf (9)       - Format a string and place it in a buffer
vsnprintf (9)        - Format a string and place it in a buffer
vsprintf (9)         - Format a string and place it in a buffer
wcpcpy (3)           - copy a wide-character string, returning a pointer to i...
wcpncpy (3)          - copy a fixed-size string of wide characters, returning...
wcscasecmp (3)       - compare two wide-character strings, ignoring case
wcscat (3)           - concatenate two wide-character strings
wcschr (3)           - search a wide character in a wide-character string
wcscmp (3)           - compare two wide-character strings
wcscpy (3)           - copy a wide-character string
wcscspn (3)          - search a wide-character string for any of a set of wid...
wcsdup (3)           - duplicate a wide-character string
wcslen (3)           - determine the length of a wide-character string
wcsncasecmp (3)      - compare two fixed-size wide-character strings, ignorin...
wcsncat (3)          - concatenate two wide-character strings
wcsncmp (3)          - compare two fixed-size wide-character strings
wcsncpy (3)          - copy a fixed-size string of wide characters
wcsnlen (3)          - determine the length of a fixed-size wide-character st...
wcsnrtombs (3)       - convert a wide-character string to a multibyte string
wcspbrk (3)          - search a wide-character string for any of a set of wid...
wcsrchr (3)          - search a wide character in a wide-character string
wcsrtombs (3)        - convert a wide-character string to a multibyte string
wcsspn (3)           - advance in a wide-character string, skipping any of a ...
wcsstr (3)           - locate a substring in a wide-character string
wcstoimax (3)        - convert wide-character string to integer
wcstok (3)           - split wide-character string into tokens
wcstombs (3)         - convert a wide-character string to a multibyte string
wcstoumax (3)        - convert wide-character string to integer
wcswidth (3)         - determine columns needed for a fixed-size wide-charact...
X509_verify_cert_error_string (3ssl) - get or set certificate verification st...
x86_64-linux-gnu-strings (1) - print the strings of printable characters in f...
xdr_string (3)       - library routines for external data representation
xdr_terminate_string (9) - '\0'-terminate a string residing in an xdr_buf
xdr_wrapstring (3)   - library routines for external data representation
xgettext (1)         - extract gettext strings from source
XML::XPathEngine::Literal (3pm) - Simple string values.
yes (1)              - output a string repeatedly until killed
Data::Binary (3pm)   - Simple detection of binary versus text in strings
Lucy::Analysis::RegexTokenizer (3pm) - Split a string into tokens.
Lucy::Analysis::StandardTokenizer (3pm) - Split a string into tokens.
Lucy::Docs::Tutorial::QueryObjects (3pm) - Use Query objects instead of query...
Lucy::Plan::StringType (3pm) - Non-tokenized text type.
Lucy::Search::QueryParser (3pm) - Transform a string into a Query object.
Mixin::Linewise::Readers (3pm) - get linewise readers for strings and filenames
Mixin::Linewise::Writers (3pm) - get linewise writers for strings and filenames
POD2::JA::Unicode::GCString (3pm) - UAX #29 XXXXXXXXXXXXXXXX
Test2::Compare::String (3pm) - Compare two values as strings
Unicode::GCString (3pm) - String as Sequence of UAX #29 Grapheme Clusters