shithub: scc

ref: 3c75d277b5d0bdbaff7de7d7c3a9c07a6638b75e
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;
}