SW006014 Microchip Technology, SW006014 Datasheet - Page 56
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 52
ferror
Description:
Include:
Prototype:
Argument:
Return Value:
Example:
Tests if error indicator is set.
<stdio.h>
int ferror(FILE *stream);
stream
Returns a non-zero value if error indicator is set; otherwise, returns a
zero.
/* This program tries to write to a file that is */
/* readonly. This causes the error indicator to
/* be set.
/* the error indicator and find the error. The
/* function clearerr is used to reset the error
/* indicator so the next time ferror is called
/* it will not report an error.
#include <stdio.h> /* for ferror, clearerr, */
int main(void)
{
}
Output:
Error
Error indicator reset
FILE *myfile;
if ((myfile = fopen("sampclearerr.c", "r")) ==
else
{
}
printf("Cannot open file\n");
fprintf(myfile, "Write this line to the "
if (ferror(myfile))
else
clearerr(myfile);
if (ferror(myfile))
else
fclose(myfile);
printf("Error\n");
printf("No error\n");
printf("Still has Error\n");
printf("Error indicator reset\n");
NULL)
pointer to FILE structure
The function ferror is used to check */
"file.\n");
/* printf, fprintf,
/* fopen, fclose,
/* FILE, NULL
© 2008 Microchip Technology Inc.
*/
*/
*/
*/
*/
*/
*/
*/
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