strcasestr

Standard C library (libc, -lc)

#define _GNU_SOURCE  // See feature_test_macros(7)
#include <string.h>

char *strcasestr(const char *haystack, const char *needle);

strcasestr() is like strstr(), but ignores the case of both arguments.

See strstr(3).

For an explanation of the terms used in this section, see attributes(7).

GNU.

GNU.

string(3), strstr(3)