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*/
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*/
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/*
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/*
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FUNCTION
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FUNCTION
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<<printf>>, <<fprintf>>, <<sprintf>>---format output
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<<printf>>, <<fprintf>>, <<sprintf>>, <<snprintf>>---format output
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INDEX
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INDEX
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fprintf
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fprintf
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INDEX
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INDEX
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printf
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printf
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INDEX
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INDEX
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sprintf
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sprintf
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INDEX
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snprintf
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ANSI_SYNOPSIS
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ANSI_SYNOPSIS
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#include <stdio.h>
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#include <stdio.h>
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int printf(const char *<[format]> [, <[arg]>, ...]);
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int printf(const char *<[format]> [, <[arg]>, ...]);
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int fprintf(FILE *<[fd]>, const char *<[format]> [, <[arg]>, ...]);
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int fprintf(FILE *<[fd]>, const char *<[format]> [, <[arg]>, ...]);
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int sprintf(char *<[str]>, const char *<[format]> [, <[arg]>, ...]);
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int sprintf(char *<[str]>, const char *<[format]> [, <[arg]>, ...]);
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int snprintf(char *<[str]>, size_t <[size]>, const char *<[format]> [, <[arg]>, ...]);
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TRAD_SYNOPSIS
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TRAD_SYNOPSIS
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#include <stdio.h>
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#include <stdio.h>
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int printf(<[format]> [, <[arg]>, ...])
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int printf(<[format]> [, <[arg]>, ...])
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int sprintf(<[str]>, <[format]> [, <[arg]>, ...]);
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int sprintf(<[str]>, <[format]> [, <[arg]>, ...]);
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char *<[str]>;
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char *<[str]>;
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char *<[format]>;
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char *<[format]>;
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int snprintf(<[str]>, size_t <[size]>, <[format]> [, <[arg]>, ...]);
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char *<[str]>;
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size_t <[size]>;
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char *<[format]>;
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DESCRIPTION
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DESCRIPTION
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<<printf>> accepts a series of arguments, applies to each a
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<<printf>> accepts a series of arguments, applies to each a
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format specifier from <<*<[format]>>>, and writes the
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format specifier from <<*<[format]>>>, and writes the
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formatted data to <<stdout>>, terminated with a null character.
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formatted data to <<stdout>>, terminated with a null character.
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The behavior of <<printf>> is undefined if there are not enough
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The behavior of <<printf>> is undefined if there are not enough
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arguments for the format.
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arguments for the format.
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<<printf>> returns when it reaches the end of the format string.
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<<printf>> returns when it reaches the end of the format string.
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If there are more arguments than the format requires, excess
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If there are more arguments than the format requires, excess
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arguments are ignored.
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arguments are ignored.
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<<fprintf>> and <<sprintf>> are identical to <<printf>>, other than the
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<<fprintf>>, <<sprintf>> and <<snprintf>> are identical to <<printf>>,
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destination of the formatted output: <<fprintf>> sends the
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other than the destination of the formatted output: <<fprintf>> sends
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output to a specified file <[fd]>, while <<sprintf>> stores the
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the output to a specified file <[fd]>, while <<sprintf>> stores the
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output in the specified char array <[str]>. For <<sprintf>>,
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output in the specified char array <[str]> and <<snprintf>> limits
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the behavior is also undefined if the output <<*<[str]>>>
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number of characters written to <[str]> to at most <[size]> (including
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overlaps with one of the arguments.
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terminating <<0>>). For <<sprintf>> and <<snprintf>>, the behavior is
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<[format]> is a pointer to a charater string containing two types of
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also undefined if the output <<*<[str]>>> overlaps with one of the
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objects: ordinary characters (other than <<%>>), which are
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arguments. <[format]> is a pointer to a charater string containing
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copied unchanged to the output, and conversion
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two types of objects: ordinary characters (other than <<%>>), which
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are copied unchanged to the output, and conversion
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specifications, each of which is introduced by <<%>>.
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specifications, each of which is introduced by <<%>>.
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(To include <<%>> in the output, use <<%%>> in the format string.)
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(To include <<%>> in the output, use <<%%>> in the format string.)
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A conversion specification has the following form:
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A conversion specification has the following form:
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. %[<[flags]>][<[width]>][.<[prec]>][<[size]>][<[type]>]
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. %[<[flags]>][<[width]>][.<[prec]>][<[size]>][<[type]>]
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