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fseek
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¥Õ¥¡¥¤¥ë¡§data.txt ÆâÍÆ¡§abcdefgh

#include<stdio.h>
#include<string.h>

int main()
{
FILE *fp;
char buf[255];
char FileName[255] = "data.txt";

/* ¥Õ¥¡¥¤¥ë¥ª¡¼¥×¥ó */
if((fp = fopen(FileName, "r")) == NULL ) {
printf("error");
exit(1);
}

/* ÀèÆ¬¤«¤é3¥Ð¥¤¥È³«»Ï°ÌÃÖ¤ò¤º¤é¤¹ */
fseek(fp, (sizeof(char)*3), SEEK_SET);

/* ¥Õ¥¡¥¤¥ëÆÉ¤ß¹þ¤ß */
fread(&buf,sizeof(char),1,fp);

printf("ÆÉ¤ß¹þ¤ó¤Àʸ»ú¡§%s",buf);


}



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