NAME

kjb_fwrite_2 - Writes a specified number of bytes to a stream

SYNOPSIS

#include "l/l_sys_io.h"

Example compile flags (system dependent):
  -DLINUX_X86_64 -DLINUX_X86_64_OPTERON  -DGNU_COMPILER 
   -I/home/kobus/include
   -L/home/kobus/misc/load/linux_x86_64_opteron -L/usr/lib/x86_64-linux-gnu
  -lKJB                               -lfftw3  -lgsl -lgslcblas -ljpeg  -lSVM -lstdc++                    -lpthread -lSLATEC -lg2c    -lacml -lacml_mv -lblas -lg2c      -lncursesw 


int kjb_fwrite_2
(
	FILE *fp,
	const void *buff,
	size_t len,
	size_t *len_ptr
);

PARAMETERS

FILE *fp
File pointer
const void *buff
Pointer to bytes to write
size_t len
Number of bytes to write.
size_t *len_ptr
Number of bytes written.

DESCRIPTION

This routine is similar to fwrite (but note the difference in arguments!). However, error handling is made more consistant with the rest of the KJB library. Several other KJB library IO conventions and features are also implemented. (One should not mix KJB and non-KJB IO)! The number of bytes that are written are returned in len_ptr. This can be set to NULL if you are not interested. This function is not re-entrant (i.e., not thread-safe).

RETURNS

On success kjb_write returns the number of bytes written. On failure ERROR is returned and an error message is set.

DISCLAIMER

This software is not adequatedly tested. It is recomended that results are checked independantly where appropriate.

AUTHOR

Kobus Barnard

DOCUMENTER

Kobus Barnard

SEE ALSO

set_low_level_io_options , kjb_read_exact , kjb_read , kjb_read_2 , safe_pipe_write , kjb_write , kjb_write_2 , kjb_fread_exact , kjb_fread , kjb_fread_2 , kjb_fwrite , kjb_safe_fflush , kjb_fflush , kjb_ioctl , set_blocking , set_no_blocking , stdin_get_line , fget_line , dget_line , fput_line , kjb_mkdir , kjb_mkdir_2 , kjb_unlink , kjb_unlink_2 , kjb_rmdir , kjb_fopen , kjb_freopen , kjb_fdopen , kjb_fclose , kjb_realpath , get_fd_name , get_user_fd_name , kjb_fseek , kjb_ftell , kjb_fputs , kjb_fgetc , kjb_fputc , pso , p_stderr , kjb_fprintf , pdo , kjb_vfprintf , is_file , is_directory , fp_get_path_type , get_path_type , get_file_size , fp_get_byte_size , get_file_age , stream_younger , stream_older , get_file_mod_time , kjb_isatty , print_underlined , start_stdout_shadow , stop_stdout_shadow , start_stderr_shadow , stop_stderr_shadow , enable_stdout , disable_stdout , kjb_glob , kjb_simple_glob