fgets « pointer « C File Q&A

1. file pointer and using fgets    stackoverflow.com

gcc 4.4.4 c89 I am reading in a file and in that file I have to do some operation on each line. In a loop I call a 2 functions that pass in ...

2. fgets with pointers?    cboard.cprogramming.com

#include #include #include int main (int argc, const char * argv[]) { char str[256]; printf("Please enter a long string: "); fgets(str, 256, stdin); int i; for (i=0;i<256;i++) { if (str[i] == '\n') { str[i] = '\0'; break; } } for (i=0;i

3. Question about fgets and the file pointer    cboard.cprogramming.com

4. fgets changes my pointer!    cboard.cprogramming.com

When I call editorLineInsert and I reach fgets, my list pointer changes and points to somewhere completely random. I just dont get it. After fgets magically changes the list pointer, I get a segmentation fault, because I check to see if the list is empty. Since the list pointer is pointing somewhere random, I get a seg fault. Funny thing is, ...

5. Fgets and pointer    cboard.cprogramming.com

6. fgets And Pointers [C question]    forums.devshed.com

Your pointer (*name) is not pointing to anything which is why you're getting the error. Either declare a char array variable such as: char name[100]; or allocate memory and point char * to it: char *name; name = (char *)malloc(100 * sizeof(char)); Your best bet is to do something like this: Code: char buf[1024], *ptr; while (fgets(buf, sizeof(buf), stdin) != NULL) ...

7. fgets() and pointers    daniweb.com

8. glibc detected free() invalid pointer and fgets()    daniweb.com

Wow, it works now heh. About the fgets(string, 100, stdin) call, whenever I use it, the program does not wait for me to input a string. I need to put getchar() right before it. This might be because right before the fgets call, I have a scanf() call to obtain an int. It is so weird that the fgets() call will ...

9. Can you use an array of pointers for fgets?    daniweb.com