32位机和64位机下面各类型sizeof的大小

sizeof 32 64 char 1 1 unsigned char 1 1 signed char 1 1 int 4 4 short  2 2 long 4 8 long int 4 8 signed int 4 4 unsigned int 4 4 unsigned long int 4 8 long long int 8 8 unsigned long long 8 8 float 4 4 double 8 8 long double 8 16 (void *) 4 8 (char *) 4 8 (int *) 4 8 (long *) 4 8 (long long *) 4 8 (float *) 4 8 (double *) 4 8