SimLib

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include "simlib.h"

int pulisci(char * vect, int dim){
    if(dim<=0)
        return 0;

    for(int i=0;i<dim;++i)
        vect[i]='\0';

    return 1;
}

int riempi(char * vect, int dim, char c){
    if((dim<=0)||(!isalpha(c)))
        return 0;

    int i;
    for(i=0;i<dim-1;++i)
        vect[i]=c;

    vect[i]='\0';

    return 1;
}

int trova(char * vect, int dim, char c){
    if((dim<=0)||(!isalpha(c)))
        return 0;

    for(int i=0;i<dim;++i)
        if((vect[i])==c)
            return i+1;

    return -1;
}

---------------

/*
 * File:   simlib.h
 * Author: Gerardo Cicalese
 *
 * Created on 5 giugno 2019, 13.23
 */

#ifndef SIMLIB_H
#define SIMLIB_H

int pulisci(char *, int);
int riempi(char *, int, char);
int trova(char *, int, char);

#endif  /* SIMLIB_H */