num_read          182 gc/os_dep.c        ssize_t num_read = 0;
num_read          185 gc/os_dep.c        while (num_read < count) {
num_read          186 gc/os_dep.c    	result = READ(fd, buf + num_read, count - num_read);
num_read          189 gc/os_dep.c    	num_read += result;
num_read          191 gc/os_dep.c        return num_read;