/* * datasize.c -- print the size of common data items * * Obviously, this run with any kernel and any Unix */#include <stdio.h>#include <sys/utsname.h>int main(int argc, char **argv){    struct utsname name;    uname(&name); /* never fails :) */    printf("system/machine: %s %s\n",name.sysname,name.machine);    printf("sizeof(char) =     %i\n",(int)sizeof(char));    printf("sizeof(short) =    %i\n",(int)sizeof(short));    printf("sizeof(int) =      %i\n",(int)sizeof(int));    printf("sizeof(long) =     %i\n",(int)sizeof(long));    printf("sizeof(longlong) = %i\n",(int)sizeof(long long));    printf("sizeof(pointer) =  %i\n",(int)sizeof(void *));    return 0;}