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17 lines
362 B
C
17 lines
362 B
C
#include <stdio.h>
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#include <string.h>
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int main(){
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FILE *fp = fopen("example.txt","r+");
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if(fp == NULL){
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printf("error,cannot open file");
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return 1;
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}
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char buffer[100];
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fread(buffer,sizeof(char),100,fp);
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printf("%s\n",buffer);
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char *wt = "hello, World1!";
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fwrite(wt,sizeof(char),strlen(wt),fp);
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fclose(fp);
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} |