/* 編寫(xiě)函數(shù)int fun(char *str,char ch),統(tǒng)計(jì)字符串str中指定字符ch的個(gè)數(shù),統(tǒng)計(jì)結(jié)果作為函數(shù)返回值帶回. */#include<stdio.h>int fun(char *str,char ch){}main(){char a[100],b; puts("Please input a string:"); gets(a); puts("Please input a character:"); b=getchar(); printf("n=%d\n",fun(a,b));}

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int fun(char *str,char ch){int t=0; for(;*str;str++) if(*str==ch) t++; return t;}