sprintf() function in C

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sprintf() function is a file handling function in C programming language which is used to write formatted output to the string. Please find below the description and syntax for each above file handling functions.

File operation
Declaration & Description
sprintf() Declaration: int sprintf(char *string, const char *format, …)

sprintf function is used to write formatted output to the string, In a C program, we use fgets function as below.
sprintf ( string, “%d %c %f”, value, c, flt ) ;

where,
string – buffer to  put the data in.
value – int variable, c – char variable and flt – float variable. There are for example only. You can use any specifiers.

Example program for sprintf() function in C programming language:

Output:

int value = 50
char value = Z
float value = 7.25
Before using sprint, data in string is NULL
After using sprint, data in string is “50 Z 7.25”

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.

File handling functions
Description
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.

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