shithub: riscv

ref: 33682347b9b3f8403d9db23b8ca7483ffe9f7767
dir: /sys/src/cmd/cifs/misc.c/

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#include <u.h>
#include <libc.h>
#include <ctype.h>

char*
strupr(char *s)
{
	char *p;

	for(p = s; *p; p++)
		if(*p >= 0 && islower(*p))
			*p = toupper(*p);
	return s;
}

char*
strlwr(char *s)
{
	char *p;

	for(p = s; *p; p++)
		if(*p >= 0 && isupper(*p))
			*p = tolower(*p);
	return s;
}