#include <stdio.h>
#include <string.h>
#include <malloc.h>
// 将strRes中的form换为to,替换成功返回1,否则返回0。
int StrReplace(char strRes[],char from[], char to[]) {
int i,flag = 0;
char *p,*q,*ts;
for(i = 0; strRes[i]; ++i) {
if(strRes[i] == from[0]) {
p = strRes + i;
q = from;
while(*q && (*p++ == *q++));
if(*q == '\0') {
ts = (char *)malloc(strlen(strRes) + 1);
strcpy(ts,p);
strRes[i] = '\0';
strcat(strRes,to);
strcat(strRes,ts);
free(ts);
flag = 1;
}
}
}
return flag;
}
int main() {
char str[80] = "192,000,123";
printf("替换前:%s\n",str);
if(StrReplace(str,",","%")) printf("替换后:%s\n",str);
else printf("没有任何替换。\n");
return 0;
}