C Language: Standard Library Functions - stdio.h
In the C Programming Language, the Standard Library Functions are divided into several header files.
The following is a list of functions found within the <stdio.h> header file:
Formatted Input/Output functions
| fprintf | Formatted File Write |
| fscanf | Formatted File Read |
| printf | Formatted Write |
| scanf | Formatted Read |
| sprintf | Formatted String Write |
| sscanf | Formatted String Read |
| vfprintf | Formatted File Write Using Variable Argument List |
| vprintf | Formatted Write Using Variable Argument List |
| vsprintf | Formatted String Write Using Variable Argument List |
File Operation functions
| fclose | Close File |
| fflush | Flush File Buffer |
| fopen | Open File |
| freopen | Reopen File |
| remove | Remove File |
| rename | Rename File |
| setbuf | Set Buffer (obsolete) |
| setvbuf | Set Buffer |
| tmpfile | Create Temporary File |
| tmpnam | Generate Temporary File Name |
Character Input/Output functions
| fgetc | Read Character from File |
| fgets | Read String from File |
| fputc | Write Character to File |
| fputs | Write String to File |
| getc | Read Characters from File |
| getchar | Read Character |
| gets | Read String |
| putc | Write Character to File |
| putchar | Write Character |
| puts | Write String |
| ungetc | Unread Character |
Block Input/Output functions
| fread | Read Block from File |
| fwrite | Write Block to File |
File Positioning functions
| fgetpos | Get File Position |
| fseek | File Seek |
| fsetpos | Set File Position |
| ftell | Determine File Position |
| rewind | Rewind File |
Error Handling functions
| clearerr | Clear Stream Error |
| feof | Test for End-of-File |
| ferror | Test for File Error |
| perror | Print Error Message |
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