shithub: scc

ref: 048182fd990731f3ca1bc6fd9c551bae62e9eda0
dir: /lib/c/src/isalpha.c/

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#define __USE_MACROS
#include <ctype.h>
#undef isalpha

int
isalpha(int c)
{
	return __ctype[(unsigned char) c] & (_U|_L);
}