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curl_printf(3)			libcurl Manual			curl_printf(3)


NAME

       curl_maprintf,	  curl_mfprintf,     curl_mprintf,     curl_msnprintf,
       curl_msprintf curl_mvaprintf, curl_mvfprintf, curl_mvprintf,  curl_mvs-
       nprintf, curl_mvsprintf - formatted output conversion


SYNOPSIS

       #include <curl/mprintf.h>

       int curl_mprintf(const char *format, ...);
       int curl_mfprintf(FILE *fd, const char *format, ...);
       int curl_msprintf(char *buffer, const char *format, ...);
       int  curl_msnprintf(char *buffer, size_t maxlength, const char *format,
       ...);
       int curl_mvprintf(const char *format, va_list args);
       int curl_mvfprintf(FILE *fd, const char *format, va_list args);
       int curl_mvsprintf(char *buffer, const char *format, va_list args);
       int curl_mvsnprintf(char *buffer, size_t maxlength, const char *format,
       va_list args);
       char *curl_maprintf(const char *format, ...);
       char *curl_mvaprintf(const char *format, va_list args);


DESCRIPTION

       These  are  all	functions  that  produce  output according to a format
       string and given arguments. These are mostly clones of  the  well-known
       C-style	functions  and	there  will  be no detailed explanation of all
       available formatting rules and usage here.

       See this table for notable exceptions.

	      curl_mprintf()
		     Normal printf() clone.

	      curl_mfprintf()
		     Normal fprintf() clone.

	      curl_msprintf()
		     Normal sprintf() clone.

	      curl_msnprintf()
		     snprintf() clone. Many systems don't  have  this.	It  is
		     just  like  sprintf  but with an extra argument after the
		     buffer that specifies the length of the target buffer.

	      curl_mvprintf()
		     Normal vprintf() clone.

	      curl_mvfprintf()
		     Normal vfprintf() clone.

	      curl_mvsprintf()
		     Normal vsprintf() clone.

	      curl_mvsnprintf()
		     vsnprintf() clone.  Many systems don't have this.	It  is
		     just  like  vsprintf but with an extra argument after the
		     buffer that specifies the length of the target buffer.

	      curl_maprintf()
		     Like printf() but returns the output  string  as  a  mal-
		     loc()ed  string.  The returned string must be free()ed by
		     the receiver.

	      curl_mvaprintf()
		     Like curl_maprintf() but takes a va_list pointer argument
		     instead of a variable amount of arguments.


AVAILABILITY

       These  functions  will  be  removed  from the public libcurl API in the
       future. Do not use them in any new programs or projects.


RETURN VALUE

       The curl_maprintf and curl_mvaprintf functions return a	pointer  to  a
       newly allocated string, or NULL if it failed.

       All  other functions return the number of characters they actually out-
       putted.


SEE ALSO

       printf(3), sprintf(3), fprintf(3), vprintf(3)

libcurl 7.63.0			April 01, 2016			curl_printf(3)

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