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printf(), scanf() functions in C:
printf() and scanf() functions are C functions which are used while handling files in C. Please refer https://www.fresh2refresh.com/c-programming/c-printf-and-scanf/ page to kow more about printf and scanf functions in C programming language.
Example program for printf(), scanf() functions in C programming language:
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#include <stdio.h> int main () { char name [30]; int age; float percentage; printf ("Enter your name: "); scanf ("%s",name); printf ("Enter your age: "); scanf ("%d",&age); printf ("Enter your percentage: "); scanf ("%f",&percentage); printf(“Name: %s \n Age: %d \n Percentage: %f “, name, age, percentage); return 0; } |
Output:
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Enter your name: Fresh2refresh
Enter your Age: 5 Enter your percentage: 100 Name: Fresh2refresh Age: 5 Percentage: 100 |
Other Inbuilt file handling functions in C programming language:
C programming language offers many other inbuilt functions for handling files. They are given below. Please click on each function name below to know more details, example programs, output for the respective file handling function.
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File handling functions
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Description
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| fopen () | fopen () function creates a new file or opens an existing file. |
| fclose () | fclose () function closes an opened file. |
| getw () | getw () function reads an integer from file. |
| putw () | putw () functions writes an integer to file. |
| fgetc () | fgetc () function reads a character from file. |
| fputc () | fputc () functions write a character to file. |
| gets () | gets () function reads line from keyboard. |
| puts () | puts () function writes line to o/p screen. |
| fgets () | fgets () function reads string from a file, one line at a time. |
| fputs () | fputs () function writes string to a file. |
| feof () | feof () function finds end of file. |
| fgetchar () | fgetchar () function reads a character from keyboard. |
| fprintf () | fprintf () function writes formatted data to a file. |
| fscanf () | fscanf () function reads formatted data from a file. |
| fputchar () | fputchar () function writes a character onto the output screen from keyboard input. |
| fseek () | fseek () function moves file pointer position to given location. |
| SEEK_SET | SEEK_SET moves file pointer position to the beginning of the file. |
| SEEK_CUR | SEEK_CUR moves file pointer position to given location. |
| SEEK_END | SEEK_END moves file pointer position to the end of file. |
| ftell () | ftell () function gives current position of file pointer. |
| rewind () | rewind () function moves file pointer position to the beginning of the file. |
| getc () | getc () function reads character from file. |
| getch () | getch () function reads character from keyboard. |
| getche () | getche () function reads character from keyboard and echoes to o/p screen. |
| getchar () | getchar () function reads character from keyboard. |
| putc () | putc () function writes a character to file. |
| putchar () | putchar () function writes a character to screen. |
| printf () | printf () function writes formatted data to screen. |
| sprinf () | sprinf () function writes formatted output to string. |
| scanf () | scanf () function reads formatted data from keyboard. |
| sscanf () | sscanf () function Reads formatted input from a string. |
| remove () | remove () function deletes a file. |
| fflush () | fflush () function flushes a file. |