SW006014 Microchip Technology, SW006014 Datasheet - Page 86
![C COMPILER MPLAB FOR PIC24 MCU](/photos/9/32/93245/sw006014_sml.jpg)
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 82
setvbuf
Description:
Include:
Prototype:
Arguments:
Return Value:
Remarks:
Example:
Defines the stream to be buffered and the buffer size.
<stdio.h>
int setvbuf(FILE *stream, char *buf, int mode,
size_t size);
stream
buf
mode
size
Returns 0 if successful
setvbuf must be called after fopen but before any other function
calls that operate on the stream. For mode use one of the following:
_IOFBF – for full buffering
_IOLBF – for line buffering
_IONBF – for no buffering
#include <stdio.h> /* for setvbuf, fopen, */
int main(void)
{
}
Output:
myfile1 has no buffering
myfile2 has a buffer of 256 characters
FILE *myfile1, *myfile2;
char buf[256];
if ((myfile1 = fopen("afile1", "w+")) != NULL)
{
}
fclose(myfile1);
if ((myfile2 = fopen("afile2", "w+")) != NULL)
{
}
fclose(myfile2);
if (setvbuf(myfile2, buf, _IOFBF, sizeof(buf)) ==
if (setvbuf(myfile1, NULL, _IONBF, 0) == 0)
else
else
printf("myfile1 has no buffering\n");
printf("Unable to define buffer stream "
printf("myfile2 has a buffer of %d "
printf("Unable to define buffer stream "
0)
pointer to the open stream
user allocated buffer
type of buffering
size of buffer
"and/or size\n");
"characters\n", sizeof(buf));
"and/or size\n");
/* printf, FILE, NULL, */
/* _IONBF, _IOFBF
© 2008 Microchip Technology Inc.
*/
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