C Language: fwrite function
(Write Block to File)
In the C Programming Language, the fwrite function writes nmemb elements (each element is the number of bytes indicated by size) from ptr to the stream pointed to by stream.
Syntax
The syntax for the fwrite function in the C Language is:
size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
Parameters or Arguments
- ptr
- The array where the elements are copied from.
- size
- The size of each element in bytes.
- nmemb
- The number of elements to write.
- stream
- The stream to write to.
Returns
The fwrite function returns the number of elements written.
Required Header
In the C Language, the required header for the fwrite function is:
#include <stdio.h>
Applies To
In the C Language, the fwrite function can be used in the following versions:
- ANSI/ISO 9899-1990
See Also
Other C functions that are noteworthy when dealing with the fwrite function:
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