ASN1_STRING_dup, ASN1_STRING_cmp, ASN1_STRING_set, ASN1_STRING_length, ASN1_STRING_length_set, ASN1_STRING_type, ASN1_STRING_data (3) - ASN1_STRING utility functions
BN_cmp, BN_ucmp, BN_is_zero, BN_is_one, BN_is_word, BN_is_odd (3) - BIGNUM comparison and test functions
CRYPTO_THREADID_set_callback, CRYPTO_THREADID_get_callback, CRYPTO_THREADID_current, CRYPTO_THREADID_cmp, CRYPTO_THREADID_cpy, CRYPTO_THREADID_hash, CRYPTO_set_locking_callback, CRYPTO_num_locks, CRYPTO_set_dynlock_create_callback, CRYPTO_set_dynlock_lock_callback, CRYPTO_set_dynlock_destroy_callback, CRYPTO_get_new_dynlockid, CRYPTO_destroy_dynlockid, CRYPTO_lock (3) - OpenSSL thread support
OBJ_nid2obj, OBJ_nid2ln, OBJ_nid2sn, OBJ_obj2nid, OBJ_txt2nid, OBJ_ln2nid, OBJ_sn2nid, OBJ_cmp, OBJ_dup, OBJ_txt2obj, OBJ_obj2txt, OBJ_create, OBJ_cleanup (3) - ASN1 object utility functions
bcmp, timingsafe_bcmp (3) - compare byte string
bn_mul_words, bn_mul_add_words, bn_sqr_words, bn_div_words, bn_add_words, bn_sub_words, bn_mul_comba4, bn_mul_comba8, bn_sqr_comba4, bn_sqr_comba8, bn_cmp_words, bn_mul_normal, bn_mul_low_normal, bn_mul_recursive, bn_mul_part_recursive, bn_mul_low_recursive, bn_mul_high, bn_sqr_normal, bn_sqr_recursive, bn_expand, bn_wexpand, bn_expand2, bn_fix_top, bn_check_top, bn_print, bn_dump, bn_set_max, bn_set_high, bn_set_low (3) - BIGNUM library internal functions
cmp (1) - compare two files
cmp (4/SPARC64) - chip multi-threading processor
cmpci (4) - C-Media CMI8338/CMI8738/CMI8768 PCI audio device
icmp (4) - Internet Control Message Protocol
icmp6 (4) - Internet Control Message Protocol for IPv6
infocmp (1) - compare or print out terminfo descriptions
memcmp (3) - compare byte string
net_addrcmp (3) - compare socket address structures
ping (8) - send ICMP ECHO_REQUEST packets to network hosts
ping6 (8) - send ICMPv6 ECHO_REQUEST packets to network hosts
strcasecmp, strncasecmp (3) - compare strings, ignoring case
strcmp, strncmp (3) - compare strings
wmemchr, wmemcmp, wmemcpy, wmemmove, wmemset, wcscat, wcschr, wcscmp, wcscpy, wcscspn, wcslcat, wcslcpy, wcslen, wcsncat, wcsncmp, wcsncpy, wcspbrk, wcsrchr, wcsspn, wcsstr (3) - wide-character string manipulation operations
zcmp, zdiff (1) - compare compressed files
Net::Ping::External (3p) - Cross-platform interface to ICMP "ping" utilities
NetPacket::ICMP" (3p) - Assemble and disassemble ICMP (Internet Control Message Protocol) packets.
NetPacket::ICMPv6" (3p) - Assemble and disassemble ICMPv6 (Internet Control Message Protocol Version 6) packets.
Tcl_UniChar, Tcl_UniCharCaseMatch, Tcl_UniCharNcasecmp, Tcl_UniCharToUtf, Tcl_UtfToUniChar, Tcl_UniCharToUtfDString, Tcl_UtfToUniCharDString, Tcl_UniCharLen, Tcl_UniCharNcmp, Tcl_UtfCharComplete, Tcl_NumUtfChars, Tcl_UtfFindFirst, Tcl_UtfFindLast, Tcl_UtfNext, Tcl_UtfPrev, Tcl_UniCharAtIndex, Tcl_UtfAtIndex, Tcl_UtfBackslash (3) - routines for manipulating UTF-8 strings.
_TIFFmalloc, _TIFFrealloc, _TIFFfree, _TIFFmemset, _TIFFmemcpy, _TIFFmemcmp (3TIFF) - memory management-related functions for use with TIFF files
bzcmp, bzdiff (1) - compare bzip2 compressed files
imgcmp (1) - Image comparison utility
ldap_sort_entries, ldap_sort_values, ldap_sort_strcasecmp (3) - LDAP sorting routines (deprecated)
ldns_dnssec_name_new, ldns_dnssec_name_new_frm_rr, ldns_dnssec_name_free, ldns_dnssec_name_name, ldns_dnssec_name_set_name, ldns_dnssec_name_set_nsec, ldns_dnssec_name_cmp, (3) - ldns_dnssec_name_add_rr, ldns_dnssec_name_find_rrset, ldns_dnssec_name_print
msgcmp (1) - compare message catalog and template
ne_iaddr_make, ne_iaddr_cmp, ne_iaddr_print, ne_iaddr_typeof, ne_iaddr_free (3) - functions to manipulate and compare network addresses
ne_ssl_cert_cmp, ne_ssl_cert_free (3) - functions to operate on certificate objects
ne_ssl_readable_dname, ne_ssl_dname_cmp (3) - SSL distinguished name handling
rcscmp (1) - compare files as rcsfile (5) compliant
tiffcmp (1) - compare two TIFF files
wcscasecmp (3) - compare two wide-character strings, ignoring case
wcscmp (3) - compare two wide-character strings
wcsncasecmp (3) - compare two fixed-size wide-character strings, ignoring case
wcsncmp (3) - compare two fixed-size wide-character strings
wmemcmp (3) - compare two arrays of wide-characters
xzcmp, xzdiff, lzcmp, lzdiff (1) - compare compressed files
FcStrCmp (3) - compare UTF-8 strings
FcStrCmpIgnoreCase (3) - compare UTF-8 strings ignoring case