//計算字串中相同字元的個數

#include "stdio.h"

#include "string.h"

int count_str_same(char * p,char ch);

int main()

{

int same_ch;

char a[100];

char c;

printf("請輸入字串：");

gets(a);

printf("請輸入欲統計的重複字元：");

c = getchar();

same_ch = count_str_same(a,c);

printf("該字串中字元%c重複%d次\n",c,same_ch);

return 0;

}

int count_str_same(char * p,char ch)

{

char * q = p;

int m = 0;

while(* q != "\0")

{

if(ch == * q)

m++;

q++;

}

return m;

}