#include <stdio.h>
#include <stdlib.h>
 
char *strchra(char *sir, int litera)
{
if(sir)
{
while(*sir != '\0' && (*sir != litera))
{
sir++;
}
}
return (sir);
}
void unitTest(char testValue);
 
int main (void)
{
unitTest('a');
unitTest('b');
unitTest('z');
unitTest('y');
unitTest('w');
 
return 1;
}
 
void unitTest(char testValue)
{
char *p = "Acum ascult muzica\0", ch, *ptr;
printf("\n Cauta caracterul in sirul \"%s\"\n", p);
printf("\n Dati un caracter : ");
ch = testValue;
ptr = strchra(p, ch);
if(ptr && *ptr != '\0')
printf("\n Gasit la pozitia %d\n", ptr-p+1);
else
printf("\n Caracterul \"%c\" nu s-a gasit in sir\n", ch);
return 0;
}

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