exit(-1);
} while(ptr==0);
ssize_t bytestoread=(4-(ptr & 3)) & 3;
while(bytestoread != 0) {
ssize_t p=read(0, &((char *)buffer)[ptr], bytestoread);
exit(-1);
} while(ptr==0);
ssize_t bytestoread=(4-(ptr & 3)) & 3;
while(bytestoread != 0) {
ssize_t p=read(0, &((char *)buffer)[ptr], bytestoread);