当前位置1(SEEK_CUR)，文件尾2(SEEK_END)）为基准，偏移offset（指针偏移量）个字节的位置。
Also in text mode, CTRL+Z is interpreted as an end-of-file character on input. In files opened for reading/writing,fopenand all related routines check for a CTRL+Z at the end of the file and remove it if possible. This is done because usingfseekandftellto move within a file that en...
The file is created if it does not exist. The stream is positioned at the end of the file. a+:Open for reading and appending (writing at end of file). The file is created if it does not exist. The initial file position for reading is at the beginning of the file, but output is...
file);exit(EXIT_FAILURE);}fseek(fp,0L,SEEK_END);/* go to end of file */last=ftell(fp);...
End of file If successful, the fseek() function clears the EOF indicator, even whenoriginis SEEK_END, and cancels the effect of any preceding ungetc() or ungetwc() function on the same stream. If the call to the fseek() function or the fsetpos() function is not valid, the call is ...
Current position of file pointer. SEEK_END End of file. SEEK_SET Beginning of file. You can use fseek and _fseeki64 to reposition the pointer anywhere in a file. The pointer can also be positioned beyond the end of the file. fseek and _fseeki64clears the end-of-file indicator and ne...
SEEK_ENDEnd of fileSEEK_SETBeginning of fileYou can use fseek to reposition the pointer anywhere in a file. The pointer can also be positioned beyond the end of the file. fseek clears the end-of-file indicator and negates the effect of any prior ungetc calls against stream....
SEEK_END End of file. SEEK_SET Beginning of file.You can use fseek and _fseeki64 to reposition the pointer anywhere in a file. The pointer can also be positioned beyond the end of the file. fseek and _fseeki64clears the end-of-file indicator and negates the effect of any prior unge...
SEEK_ENDEnd of file. SEEK_SETBeginning of file. You can usefseekand_fseeki64to reposition the pointer anywhere in a file. The pointer can also be positioned beyond the end of the file.fseekand_fseeki64clears the end-of-file indicator and negates the effect of any priorungetccalls against...