Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations strongm on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!
-
Can anyone spot the NULL pointer assignment
/*502796P4 - Final Report*/ #include <stdio.h> #include <string.h> #include <stdlib.h> #include <conio.h> //#define COMPUTEACH #define UPDATED "502796nf.dat" #define MAST_SIZE sizeof(struct MASTER_REC) void printHeaders(void); FILE *fp,*u_ptr; struct MASTER_REC{ char cust_code[6]... -
subtracting float from long
I have a small problem of subtracting a float value from a long. When I run the program because cust bal is a float and credit limit is a long when I come to subtract one from the other it isn't working because cust bal is not bigger than credit limit ie. first record:- -2407.629 -... -
different results every time
I have a file sort program thats causing me some confusion? Every time I run it I'm getting different results? I am opening the file allocating memory then reading the data to memory like so. void memory_write(union Recs *mem) { char temp[104]; rewind(d_ptr)... -
displaying middle part of strings.
Just a quickie, I have some various length strings, which are all '\n' terminated. However I need to display them broken up into different parts. eg if one is 20 chars and I need to break up into 4 chars then 12 chars then 4 chars. cvhh cjhbsdhcjugh bhsy Thankyou. Sorry its not more... -
qsort and unions
I have a binary file that contains vaious length records that are held in structures. Here is a sample of the file :- I10014 010006 0002 I10006 010006 0001 I10006 049301 0009 I10022 012807 0008 I10049 012106 0099 I10065 054402 0100 C10081 COVER SYSTEMS LTD ALBOY RD;KINVER;SOUTH STAFFS; ...
