shithub: scc

ref: 590ba0dfe7a73ab2e47fe333cf700e01d9cda6e9
dir: /lib/c/isalnum.c/

View raw version 
#define __USE_MACROS
#include <ctype.h>
#undef isalnum

int
isalnum(int c)
{
	return (__ctype+1)[c] & (_U|_L|_D);
}