C语言之从字符数组中删除特定的字符

#include<stdio.h> 
int main() 
{ 
  char str[100],c; 
  int j,k; 
  printf("please input a string:"); 
  gets(str); 
  printf("\nEnter a character:"); 
  c=getchar(); 
  for(j=k=0;str[j]!='\0';j++) 
    if(str[j]!=c) 
      str[k++]=str[j]; 
    str[k]='\0'; 
  printf("\n%s",str); 
} 

<pre name="code" class="cpp">please input a string:wqeqwe  
Enter a character:w 
qeqePress any key to continue