strcasecmp(), strncasecmp() - compare strings, ignoring case
#include <strings.h>
int strcasecmp (const char *s1, const char *s2)
int strncasecmp (const char *s1, const char *s2, size_t len)
The strcasecmp(3) and strncasecmp(3) functions
compare the null-terminated strings s1 and s2 and
return an integer greater than, equal to, or less than 0, if
s1 is lexicographically greater than, equal to, or less than
s2 (respectively), after translating each corresponding
character to lower-case. The strings themselves are not modified.
The comparison is done using unsigned characters, so that
\200
is greater than \0
.
The strncasecmp(3) compares at most len characters.
bcmp(3)
memcmp(3)
strcmp(3)
strcoll(3)
strxfrm(3)
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