Thank you very much.
2009/9/24 Jonas Maebe <jonas.ma...@elis.ugent.be>: > > On 24 Sep 2009, at 10:53, 章宏九 wrote: > >> 2009/9/24 Jonas Maebe <jonas.ma...@elis.ugent.be>: >>> >>>> I would like also to know the situation in C. (I mean >>>> declaration of printf and scanf. Are they implemented in glibc or >>>> gcc?) >>> >>> In glibc. >> >> Unlike pascal? > > Yes and no. In both Pascal and C, the internal functionality of the > read/write (scan/print) code is in the run time library. However > a) in Pascal, the compiler parses the types that you pass to the read/write > code and directly calls the appropriate helper routines > b) in C, the types are specified in the format string and the run time > library itself determines the actual types at run time > > So scanf/printf are more complex than the Pascal read/write routines. FPC > and Delphi nowadays also have printf/scanf-style routines though. They are > called format and scanf (part of the sysutils unit). > > > Jonas_______________________________________________ > fpc-pascal maillist - fpc-pas...@lists.freepascal.org > http://lists.freepascal.org/mailman/listinfo/fpc-pascal > _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
