testcprod/testcprod.c

#include <stdio.h>

char* testcprod(char *name) ;

void
main(int argc, char *argv[])
{
    int i;
    if(argc == 1)
        printf("Usage: testcprod [ARGUMENT]...\n") ;
    else
        for(i = 1; i < argc; i++)
            printf("%s\n", testcprod(argv[i])) ;
}

char*
testcprod(char *name)
{
    return name ;
}