Fseek (File *, long, INT) instance

/*************************************** * ********* Fseek (File *, long, INT) indicates pointing to the operationCompositionPointer, offset, starting from the start file seek_set 0 file current pointer position seek_cur 1 file end seek_end 2 For example: fseek (FP, 10l, seek_set); this sentence is to (seek_set as the starting point, move 10 bytes later) = ftell (File *) where the Pointer Points to get the current pointer position rewind (File *) move the file pointer to the beginning of the file ********************************* * *****************/# include <stdio. h> # include <stdlib. h> int main () {file * FP; FP = fopen ("E: \ recent files \ test.txt", "rb"); char buffer [128]; if (null = FP) {printf ("cannt open \ n"); exit (1);} fseek (FP,-20l, seek_end); fgets (buffer, 128, FP); printf ("% s", buffer); fclose (FP); System ("pause"); Return 0 ;}