SW006014 Microchip Technology, SW006014 Datasheet - Page 58
SW006014
Manufacturer Part Number
SW006014
Description
C COMPILER MPLAB FOR PIC24 MCU
Manufacturer
Microchip Technology
Type
MPLAB® C Compilerr
Series
PIC24r
Datasheet
1.SW006014.pdf
(246 pages)
Specifications of SW006014
Supported Families
PIC24
Core Architecture
PIC
Kit Contents
Software And Docs
Mcu Supported Families
PIC24
Tool Function
Compiler
Tool Type
Compiler
Processor Series
PIC24
Lead Free Status / RoHS Status
Not applicable / Not applicable
For Use With/related Products
PIC24
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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DS51456E-page 54
fgetpos
Description:
Include:
Prototype:
Arguments:
Return Value:
Remarks:
Example:
Gets the stream's file position.
<stdio.h>
int fgetpos(FILE *stream, fpos_t *pos);
stream
pos
Returns 0 if successful; otherwise, returns a non-zero value.
The function stores the file-position indicator for the given stream in
*pos if successful, otherwise, fgetpos sets errno.
/* This program opens a file and reads bytes at */
/* several different locations. The fgetpos
/* function notes the 8th byte. 21 bytes are
/* read then 18 bytes are read. Next the
/* fsetpos function is set based on the
/* fgetpos position and the previous 21 bytes
/* are reread.
#include <stdio.h> /* for fgetpos, fread,
int main(void)
{
}
Output:
Bytes read: program opens a file
Bytes read: and reads bytes at
Bytes read: program opens a file
FILE
fpos_t pos;
char
if ((myfile = fopen("sampfgetpos.c", "rb")) ==
else
{
if (fsetpos(myfile, &pos) != 0)
fread(buf, sizeof(char), 21, myfile);
printf("Bytes read: %.21s\n", buf);
fclose(myfile);
}
fread(buf, sizeof(char), 8, myfile);
printf("Cannot open file\n");
if (fgetpos(myfile, &pos) != 0)
else
{
}
perror("fsetpos error");
perror("fgetpos error");
fread(buf, sizeof(char), 21, myfile);
printf("Bytes read: %.21s\n", buf);
fread(buf, sizeof(char), 18, myfile);
printf("Bytes read: %.18s\n", buf);
NULL)
*myfile;
buf[25];
target stream
position-indicator storage
/* printf, fopen, fclose, */
/* FILE, NULL, perror,
/* fpos_t, sizeof
© 2008 Microchip Technology Inc.
*/
*/
*/
*/
*/
*/
*/
*/
*/
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