>>964
適当に
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<stddef.h>
#include<ctype.h>
char*strdup_(char*s);
char*capitalize(char*s);
char*strrev_(char*s);
int main(int argc,char**argv){
    (void)argc;//unused
    while(*++argv){
        char*p = strrev_(capitalize(strdup_(*argv)));
        if(!p){perror("main:");break;}else puts(p);
    }
    return 0;
}
/*