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You need to check the return value of fgets. If a read has been successful, fgets returns the pointer to the buffer that you passed to it (i.e. string in your example). If the End-of-File is encountered and no characters have been read, fgets returns NULL. Try this: char string[100]; while(fgets(string, 100, fp)) { printf("%s\n", string); }
28 sty 2017 · If it is right that there is a '\n' at the end of each line, I run the fgets code as below: fgets(string, 100, fp); Since the characters contain in each line is much less than 100, the fgets should hit the newline character before reach the maxlength limit and it should stop and return a NULL.
The fgets() function reads content from the file up to the next line break and writes it into a char array. A \0 null terminating character is appended to the end of the content. The position indicator is moved to the next unread character in the file.
29 maj 2024 · char * fgets (char * restrict str, int count, FILE * restrict stream ); (since C99) Reads at most count - 1 characters from the given file stream and stores them in the character array pointed to by str .
fgets. function. <cstdio> fgets. char * fgets ( char * str, int num, FILE * stream ); Get string from stream. Reads characters from stream and stores them as a C string into str until (num -1) characters have been read or either a newline or the end-of-file is reached, whichever happens first.
10 wrz 2023 · std:: fgets. Reads at most count -1 characters from the given file stream and stores them in the character array pointed to by str. Parsing stops if a newline character is found, in which case str will contain that newline character, or if end-of-file occurs.
24 cze 2024 · In C, the fgets () function is a standard way to read a file line by line. It reads a string from the specified file until a newline character is encountered or the end-of-file is reached. Syntax. char *fgets (char *str, int n, FILE *stream); Here, str: Pointer to an array where the read string will be stored.
