unsigned char *chr = (unsigned char *)malloc(4*sizeof(unsigned char));
memcpy(chr, &reqKey, 4);
NSString *sendString = [NSString stringWithFormat:@"'----':obj { form:'prop', want:type('prop'), seld:type('%s'), from:'null'() }", chr];
unsigned char *chr = (unsigned char *)malloc(4*sizeof(unsigned char));
memcpy(chr, &reqKey, 4);
NSString *sendString = [NSString stringWithFormat:@"'----':obj { form:'prop', want:type('prop'), seld:type('%s'), from:'null'() }", chr];