fgets vs gets

27 août 2020 · •Functions write to stdout, or to a file specified by a file gets() overfills string do- while() absorbs excess fgets-gets and Redirection fgets( ) 

Input and output in C are simple, in theory, because everything is read lines from stdin fgets, feof effect, and gets has different conventions which cause

function But use getchar or getc to get input character by character, and use fgets to get input line by line, and use fscanf, 

Extended ASCII requires 8 bits: see table here and App A Note: The functions scanf() and gets() are vulnerable to buffer overflow scanf/gets and fgets?

After seeing the first prompt and typing a single character, Will get address from stack, where it expects to char *fgets( char *str, int num, FILE *stream );

fprintf() and fscanf() with the stdin and stdout streams □ Line oriented functions – puts(), gets() and variants fputs(), fgets() □ Text files can be considered as a 

Example: gets char buf[20]; gets(buf); // read user input until // first EoL or EoF character • Never use gets • Use fgets(buf, size, stdin) instead 19 

Get the command ○ Use fgets or gets ○ Syntax: gets(char *s) fgets(chat *s, int len, FILE *fp) ○ Use "stdin" instead of FILE *fp for fgets ○ Returns 0 on "EOF"

See, for example: http://www cplusplus com/reference/clibrary/cstdio/gets html scanf() both printf() and scanf() and ensure that you understand the power of these functions You should char* fgets( char* str, int num, FILE* stream ); Read a