recursive_function_to_count_occurences_of_ch_in_string_v1.c

/*

    recursive_function_to_count_occurences_of_ch_in_string_v1.c

    Using recursive function to count occurences of ch in string

https://stackoverflow.com/questions/40888686/using-recursive-function-to-count-occurences-of-letters?fbclid=IwAR0MO7rGj7jw7dmBQDF2okDeJZpavzKnHTnNmkR0vv6RTgY-H_esbYJjR_I


    You can find all my C programs at Dragan Milicev's pastebin:

    https://pastebin.com/u/dmilicev

*/

#include <stdio.h>

int count_ch_in_string( char *source, char ch )
{
    if(*source == '\0')
        return 0;

    if( *source == ch )
        return(1 + count_ch_in_string(++source, ch) );

    return( count_ch_in_string(++source, ch) );
}


int main(void)
{
    char str[]="This is a string to test recursive function count_ch_in_string().";
    char ch='t';

    printf("\n In string: \n\n|%s| \n\n there are %d characters '%c' . \n\n",
            str, count_ch_in_string(str,ch), ch);


    return 0;

} // main()