shithub: scc

ref: a033c20344b9ee8a761e3da0320f931c05bf88d1
dir: /src/libc/ctype/toupper.c/

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#include <ctype.h>
#undef toupper

int
toupper(int c)
{
	return (islower(c)) ? c & ~0x20 : c;
}