SW006013 Microchip Technology, SW006013 Datasheet - Page 71
SW006013
Manufacturer Part Number
SW006013
Description
MPLAB C Compiler For DsPIC DSCs
Manufacturer
Microchip Technology
Series
DsPIC30F/33Fr
Type
MPLAB® C Compilerr
Datasheet
1.SW006014.pdf
(246 pages)
Specifications of SW006013
Supported Families
DsPIC30F, DsPIC33F
Core Architecture
DsPIC
Kit Contents
Software And Docs
Mcu Supported Families
DsPIC30F And DsPIC33F
Tool Function
Compiler
Tool Type
Compiler
Processor Series
dsPIC
Lead Free Status / RoHS Status
na
For Use With/related Products
dSPIC DSCs
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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© 2008 Microchip Technology Inc.
ftell
Description:
Include:
Prototype:
Argument:
Return Value:
Example:
Gets the current position of a file pointer.
<stdio.h>
long ftell(FILE *stream);
stream
Returns the position of the file pointer if successful; otherwise, returns
-1.
#include <stdio.h> /* for ftell, fread,
int main(void)
{
}
Output:
Read some characters:
The current position of the file pointer is 29
FILE *myfile;
char s[75];
long y;
myfile = fopen("afile.out", "w+");
if (myfile == NULL)
else
{
}
printf("Cannot open afile.out\n");
fprintf(myfile,"This is a very long sentence "
fclose(myfile);
if ((myfile = fopen("afile.out", "rb")) != NULL)
{
}
printf("Read some characters:\n");
fread(s, sizeof(char), 29, myfile);
printf("\t\"%s\"\n", s);
y = ftell(myfile);
printf("The current position of the "
fclose(myfile);
"This is a very long sentence "
stream in which to get the current file position
"file pointer is %ld\n", y);
"afile.out for testing.");
/* fprintf, printf,
/* fopen, fclose, sizeof, */
/* FILE, NULL */
"for input into the file named "
DS51456E-page 67
*/
*/
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