src/stdio/__stdio_write.c


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#include "stdio_impl.h"

size_t __stdio_write(FILE *f, const unsigned char *buf, size_t len)
{
	const unsigned char *stop = buf+len;
	ssize_t cnt = 1;
	for (; buf<stop && (cnt=syscall(SYS_write, f->fd, buf, len))>0; buf+=cnt);
	return len-(stop-buf);
}