#include <string.h>char *delchar(char *s, char c_h) {
char *p,*q;
p = s;
while(*p != '\0') {
if(*p == c_h) {
q = p;
while(*q != '\0') {
*q = *(q + 1);
q++;
}
p--;
}
p++;
}
return (s);
}int main() {
char i,s[80];
printf("源串是 : ");
gets(s);
for(i = 0;i < 10;i++) delchar(s,i + '0');
printf("去除數字後是:%s\n",s);
return 0;
}