SW006014 Microchip Technology, SW006014 Datasheet - Page 89
![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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© 2008 Microchip Technology Inc.
tmpnam
Description:
Include:
Prototype:
Argument:
Return Value:
Remarks:
Example:
ungetc
Description:
Include:
Prototype:
Argument:
Return Value:
Remarks:
Creates a unique temporary filename
<stdio.h>
char *tmpnam(char *s);
s
Returns a pointer to the filename generated and stores the filename in
s. If it can not generate a filename, the NULL pointer is returned.
The created filename will not conflict with an existing file name. Use
L_tmpnam to define the size of array the argument of tmpnam points
to.
#include <stdio.h> /* for tmpnam, L_tmpnam, */
int main(void)
{
}
Output:
Temporary file ctm00001.tmp was created
Pushes character back onto stream.
<stdio.h>
int ungetc(int c, FILE *stream);
c
stream
Returns the pushed character if successful; otherwise, returns EOF
The pushed back character will be returned by a subsequent read on
the stream. If more than one character is pushed back, they will be
returned in the reverse order of their pushing. A successful call to a file
positioning function (fseek, fsetpos or rewind) cancels any pushed
back characters. Only one character of pushback is guaranteed. Multi-
ple calls to ungetc without an intervening read or file positioning oper-
ation may cause a failure.
char *myfilename;
char mybuf[L_tmpnam];
char *myptr = (char *) &mybuf;
if ((myfilename = tmpnam(myptr)) == NULL)
else
printf("Cannot create temporary file name");
printf("Temporary file %s was created",
myfilename);
pointer to the temporary name
character to be pushed back
pointer to the open stream
/* printf, NULL
DS51456E-page 85
*/
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