>>227
#include <stdio.h>

int CountChar(char *Src, char Word)
{
    int Count=0;

    while (*Src!='\0')
    {
        if (*Src==Word)
        {
            Count++;
        }
        Src++;
    }
    return Count;
}

int main()
{
    char *Src="aBbccdb";
    char Word='b';
    int Count;

    Count=CountChar(Src, Word);
    printf("%d\n", Count);

    return 0;
}