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am developing a exe for dos based machine(Hand Held Unit) which retrieves data from micro-controller based device.

One more query on allocating and deleting

when i used malloc to allocate space for huge pointer


typedef struct FileHdr
{
unsigned long reg;
unsigned short width;
unsigned char typ;

what if when calloc() was used to allocate

thank you

For eg: when a list is created using linked list with head holding the first pointer to the structure and followed by the next pointers to the structure.

head->elemt1->elemt2->elemt3

after...

I changed the below array



#define ETX 3
unsigned char RecBuffer[2048];


to

Hai,

My serial interrupt routine collects all the data from the serial buffer (Controller) successfully, the data sent from the controller never exceed more than 2000 bytes.
The problem is when...

hai,

I suspect something wrong

i have 32 bit data, its float in hex
if i have 0x00000000 data then it corresponding float value is 0.0 for this i tried like this



unsigned char...

How silly i was :D!!!!!! Thanks iMalc for rightly pointing it out......

problem got fixed!!

hi,

i have a problem in storing the data in allocated memory using malloc.

i have structure to store huge data form the serial port.

typedef struct FileData {
unsigned char *FRdata;...

thanks

hi,

i know we can vary the no. of records in the list but can we vary the record size itself.

eg


typedef struct {

int data;