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This page displays the COHERENT manpage for strncmp() [Compare two strings].
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strncmp() -- String Function (libc) Compare two strings #include <string.h> int strncmp(string1, string2, n) char *string1, *string2; unsigned n; strncmp() compares lexicographically the first n bytes of string1 with string2. Comparison ends when n bytes have been compared, or a null character encountered, whichever occurs first. strncmp() returns zero if the strings are identical, returns a number less than zero if string1 occurs earlier alphabetically than string2, and returns a number greater than zero if it occurs later. This routine is compatible with the ordering routine needed by qsort(). Example For an example of this function, see the entry for strncpy(). See Also libc, strcmp(), string.h ANSI Standard, §7.11.4.4 POSIX Standard, §8.1