copy « char « C Array Q&A

1. Copying lines from stdin to an array of character pointers    stackoverflow.com

I would like to copy lines from stdin to an array of character pointers. For example if the user entered the following "the\nquick\nbrown\nfox" then I would like to have an array ...

2. using libcrypto to copy hash to character array    stackoverflow.com

I'm following the example of code available in: http://www.openssl.org/docs/crypto/sha.html# After the following:

EVP_DigestFinal_ex(&mdctx, md_value, &md_len);

3. Copying an array of characters    stackoverflow.com

gcc 4.4.2 c89 I was just working on some pointers. However, with the program below I can't get it to copy the source to the destination. Even when I try and print ...

4. copy unsigned char array    stackoverflow.com

what would be the best way to copy unsigned char array to another... example :-

unsigned char q[1000];
unsigned char p[1000];

strcpy (q,&p);

5. Basic C question on copying char arrays to char pointers    stackoverflow.com

I have some doubts in basic C programming. I have a char array and I have to copy it to a char pointer. So I did the following:

char a[] = {0x3f, 0x4d};
char ...

6. Copy char array to another char array    stackoverflow.com

I'm trying without success to copy a char array to another one. I have tried memcpy copying direcly the address from one to another, like this:

void include(int id, char name[16]) {
int ...

7. character array handling in c (copy pointer to character array)    stackoverflow.com

I have a pointer with type const char* FunctionName , How can I put that into a payload of type char payload[100] without any warning or errors? Also the payload[0] is ...

8. How to copy char * to char *array?    bytes.com

strtok returns pointers into the buffer supplied to it at line 46 of your code. You store the first pointer returned by strtok in an array. This sequence is repeat several times, once for each line in your file. However you only have one buffer defined on line 256, if you printed the pointer values of your array extarray rather than ...

9. copying an object to a char array and back    bytes.com

Hi, I have following two classes class base{ int i; public: virtual void fun() { cout<process(c); // some factory member which accepts a char * // Inside ...

10. Copying fread behaviour on char array    bytes.com

Hello everybody I want to create a routine that mimic the fread behavior operating on char array. I wrote size_t fread_char(void* buf, size_t sz, size_t n, char* string_source) { memcpy(buf, string_source, sz*n); string_source += n*sz; return n; } When I leave the routine the string_source doesn't change its value, it seems that the operation string_source += n*sz; has not been performed ...

11. To copy chars to a array perfectly    cboard.cprogramming.com

12. Copy char array to char pointer    cboard.cprogramming.com

13. Copy character array to char * pointer    cboard.cprogramming.com

/*Assign memory for each of the variables as needed*/ request = malloc(BUFSIZ); temp = malloc(256); /*Read in the HTTP request from the client*/ if( (nr=read(socket, mess_in, BUFSIZ) ) < 0) { fprintf(stderr, "Trouble Reading From Client.\n"); fprintf(stderr, "Errno Value: %s\n", strerror(errno)); return -1; } /*Copy the buffer into the request variable*/ strncat(request, mess_in, strlen(mess_in));

14. copying the first 10 characters to an array?    cboard.cprogramming.com

15. Character Array copying    cboard.cprogramming.com

16. copy char array    cboard.cprogramming.com

17. copying character arrays    cboard.cprogramming.com

I'm trying to find out what are the first and second characters in the string. I have a character array token[1] where each index contains a separate string. I want to look inside token[1] for the characters. My idea was to copy token[1] into dir[]. Is this logic correct? If not can you please advice. In this example, I'm trying to ...

18. Problems Copying Array with unsigned char    forums.devshed.com

I assume FOO is 6 for the six octets in the MAC address, and all the : and stuff is you just pretty-printing for the board. Also, is myMAC correct immediately after the memcpy, and it is only wrong sometime later when you next refer to it? If it is, then it's pretty certain that you have some other undetected memory ...

19. Copy char array    forums.devshed.com

Hi, I'm trying to copy a char array to another. After that fill the array with char 0. For example if I have unsigned char a[20] and unsigned char b[64], then copy a to b and fill the rest of the array with char 0. This program must only works with array of char. Working with strings would be much easier, ...

20. How do you copy one char array into another.    forums.devshed.com

Code: #include #include #include #define BIG_ENOUGH 1024 #define NUM_ROWS 10 int main(){ char Temp[BIG_ENOUGH]; int i, element, rows, key; FILE *fin; char Array[NUM_ROWS][BIG_ENOUGH]; if ((fin = fopen("test.txt", "r")) == NULL){ fprintf(stderr, "Can't open test.txt!\n"); exit(1); } rows = 0; while (!feof(fin)){ //start dissecting the input element = 0; key = fgetc(fin); while ((char)key != ',' && !feof(fin) && ...

21. Copying words into an array of char ?!?    daniweb.com

#include int main() { char word[10]= ""; char wordArr[10][10]; for(size_t i = 0; i < 2; i++) { size_t j; std::cin >> word; for(j = 0; j < strlen(word); j++) wordArr[i][j] = word[j]; wordArr[i][j] = '\0'; } for(size_t i = 0; i < 2; i++) { for(size_t j = 0; j < strlen(wordArr[i]); j++) std::cout << wordArr[i][j]; std::cout << '\n'; ...