error « fgets « C File Q&A

1. Read command result error (fgets)    stackoverflow.com

I wrote a simple cocoa app with a button. When the button is clicked, a timer is triggered:

[NSTimer scheduledTimerWithTimeInterval:1.0f 
             ...

2. How to use fgets() without an error message?    stackoverflow.com

I am learning C and this might be a trival question to some. My IDE complaints that there is an error: expected expression before '!=' token in the while loop. I can't see ...

3. Error with fgets    bytes.com

Trying to use c for the first time in years and blowing out in fgets. I created this very simple program which still produces the error: #include int main(int argc, char *argv[]) { FILE *fp1; char *text1; fgets(text1,150,stdin); fputs(text1,stdout); return(0); } The error is "The instruction at "0x78022901" referenced memory at "0x00000003". The memory could not be "written"." I get ...

4. fgets error handling    cboard.cprogramming.com

#include #include #include #define MAXSTUDENT 40 #define MAXNAME 20 /*Declaring Function Prototypes*/ int extract (char *copy_str, char *name_str, int length, student_t *s,int *p_index); int main(void) { FILE *readfile; char str_copy[40]; char str_name[MAXNAME+1]; char *p_str; int i; student_t s [MAXSTUDENT]; int num=0; int result,index; char *p_error; if((readfile=fopen("datafile.txt","rt"))==NULL) { printf("Error, unable to read file. Program exiting"); return (1); }else { ...