strspn(3) Library Functions Manual strspn(3) strspn, strcspn - LIBRARY Standard C library (libc, -lc) #include size_t strspn(const char *s, const char *accept); size_t strcspn(const char *s, const char *reject); strspn() ( ) s, accept. strcspn() s, , reject. strspn() s, accept. strcspn() s, , reject. attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |strspn(), strcspn() | | MT-Safe | +----------------------------+----------------------------------------------------------+--------------------------+ C11, POSIX.1-2008. POSIX.1-2001, C89, SVr4, 4.3BSD. . memchr(3), strchr(3), string(3), strpbrk(3), strsep(3), strstr(3), strtok(3), wcscspn(3), wcsspn(3) Alexander Golubev , Azamat Hackimov , Hotellook, Nikita , Spiros Georgaras , Vladislav , Yuri Kozlov ; GNU 3 , . . , , . Linux man-pages 6.06 31 2023 . strspn(3)