DOKK / manpages / debian 12 / libowfat-dev / str_start.3.en
str_start(3) Library Functions Manual str_start(3)

str_start - compare prefixes of strings

#include <libowfat/str.h>

size_t str_start(const char* a,const char* b);

str_start returns 1 if b is a prefix of a, 0 otherwise.

strncmp(3)