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printf() Function Overview
ibm.com/docs/ar/i/7.4.0?topic=functions-printf-print-formatted-charactersYapay zekadan makale özeti
- Basic Features
- printf() prints formatted characters to standard output stream stdout
- Function is ANSI level, threadsafe, and locale sensitive
- Format strings start with percent sign (%) and read left to right
- Format Specifications
- Format strings can contain both numbered (%n$) and unnumbered (%*) arguments
- Arguments can be referenced using %n$ format with position 1-NL_ARGMAX
- Width specifies minimum number of characters to print
- Precision controls number of characters or decimal places
- Pointer Support
- Different pointer types have specific format specifications
- Pointer printing follows activation group ID format
- Different pointer types have specific component structures
- Return Value and Limitations
- Function returns number of bytes printed
- Radix character is locale sensitive
- Extra arguments are ignored if fewer than format specifications
- Results undefined if insufficient arguments for all format specifications