[dywang@dyw219 zzz]$ vim sizeof1.c [dywang@dyw219 zzz]$ cat sizeof1.c #include <stdio.h> main() { printf("sizeof(char) = %d\n", sizeof(char)); printf("sizeof(short) = %d\n", sizeof(short)); printf("sizeof(int) = %d\n", sizeof(int)); printf("sizeof(long) = %d\n", sizeof(long)); printf("sizeof(float) = %d\n", sizeof(float)); printf("sizeof(double) = %d\n", sizeof(double)); }
[dywang@dyw219 zzz]$ gcc -o sizeof1 sizeof1.c
[dywang@dyw219 zzz]$ ./sizeof1 sizeof(char) = 1 sizeof(short) = 2 sizeof(int) = 4 sizeof(long) = 8 sizeof(float) = 4 sizeof(double) = 8