C program to find the first occurrence of a character in a string using while loop.
C program to find the first occurrence of a character in a string using while loop.
#include <stdio.h>
#include <string.h>
#define MAX 100
int ind(const char * text, const char find);
int main()
{
char text[MAX];
char toFind,find;
int index;
printf("\n Enter any string: ");
gets(text);
printf("\n Enter character to be searched in the given string: ");
find = getchar();
index = ind(text, find);
if(index == -1)
printf("\n '%c' not found.", find);
else
printf("\n '%c' is found at index in string %d.", find, index);
return 0;
}
int ind(const char * text, const char find)
{
int i = 0;
while(text[i] != '\0')
{
if(text[i] == find)
return i;
i++;
}
return -1;
}
Output:
Enter any string: computer
Enter character to be searched in the given string: p
'p' is found at index in string 3.
Enter any string: computer
Enter character to be searched in the given string: q
'q' not found.
