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libowfat/buffer/buffer_getn.c

15 lines
256 B

#include "byte.h"
#include "buffer.h"
ssize_t buffer_getn(buffer* b,char* x,size_t len) {
size_t blen;
for(blen=0;blen<len;++blen) {
register ssize_t r;
if ((r=buffer_getc(b,x))<0) return r;
if (r==0) break;
++x;
}
return blen;
}