问C Mingw "ld.exe:无法打开输出文件cipher.exe:权限被拒绝收集器2.exe错误: ld返回%1退出状态“

EN

#include <stdio.h>
#include <stdlib.h>
#define STRINGSIZE 10

int getLastPosition(char word[])
{
    int cont=0;
    while(cont<STRINGSIZE)
    {
        if(word[cont]=='\0')
        {
            break;
        }
        cont++;
    }
    return cont;
}


void cipher(int key, char *firstChar, char *lastChar)
{
    char *currentChar = NULL;

    currentChar = firstChar;
    while(currentChar<lastChar)
    {
        *currentChar += key;
        currentChar++;
    }

    printf("\nThe ciphered word is:  ");

    currentChar = firstChar;
    while(currentChar<lastChar)
    {
        printf("%c", *currentChar);
        currentChar++;
    }

}


int main()
{
    char word[STRINGSIZE];
    char *firstChar = NULL;
    char *lastChar = NULL;
    int key;

    printf("Enter a word to cipher (max 10 chars)> \n");
    scanf("%s",word);

    printf("Choose a number to cipher the word > \n");
    scanf("%d",&key);

    firstChar = &word[0];
    lastChar = firstChar + getLastPosition(word);

    cipher(key, firstChar, lastChar);
}