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In modern POSIX compliant operating systems, a program that needs to access data from a file stored in a file system uses the read system call. The file is identified by a file descriptor that is normally obtained from a previous call to open. This system call reads in data in bytes, the number of which is specified by the caller, from the file and stores then into a buffer supplied by the calling process. The read system call takes three arguments:

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  • Irekitako fitxategi, edo orokorrean kanal, batetik informazioa eskuratzeko sistema-deia. ssize_t read(int fd, void *buf, size_t count); Fitxategi bat ireki ondoren bertatik byteak irakurtzeko erabiltzen den sistema deia da. Parametroak * fd : fitxategiaren deskribatzailea, sistemari irakurri beharreko fitxategia zein den adieraziz. * buf: irakurketaren emaitza gordeko duen bufferra. * count: bufferraren tamaina. Emaitza * Arrakasta kasuan zenbat byte irakurri diren itzultzen du. * 0: fitxategi amaierara heltzean. * -1: errore bat egon bada. Bufferrak baliozkoa den memoria posizio baten erakuslea izan behar du, ezin da espezifikatutako tamaina baino txikiagoa izan gainezka egiteagatik. fd open dei batek itzulitako baliozko fitxategi deskribatzaile bat da, NULL bada errorea emango baitu. count parametroak irakurri nahi den byte kopurua adierazten du, eta itzultzen den balioak benetan irakurri den byte kopurua itzultzen du. Zenbaitetan bigarren hau txikiagoa izango da irakurketa ez bada arrakastatsua izan. * Datuak: Q7300358 (eu)
  • In modern POSIX compliant operating systems, a program that needs to access data from a file stored in a file system uses the read system call. The file is identified by a file descriptor that is normally obtained from a previous call to open. This system call reads in data in bytes, the number of which is specified by the caller, from the file and stores then into a buffer supplied by the calling process. The read system call takes three arguments: 1. * The file descriptor of the file. 2. * the buffer where the read data is to be stored and 3. * the number of bytes to be read from the file. (en)
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  • Irekitako fitxategi, edo orokorrean kanal, batetik informazioa eskuratzeko sistema-deia. ssize_t read(int fd, void *buf, size_t count); Fitxategi bat ireki ondoren bertatik byteak irakurtzeko erabiltzen den sistema deia da. Parametroak * fd : fitxategiaren deskribatzailea, sistemari irakurri beharreko fitxategia zein den adieraziz. * buf: irakurketaren emaitza gordeko duen bufferra. * count: bufferraren tamaina. Emaitza * Arrakasta kasuan zenbat byte irakurri diren itzultzen du. * 0: fitxategi amaierara heltzean. * -1: errore bat egon bada. * Datuak: Q7300358 (eu)
  • In modern POSIX compliant operating systems, a program that needs to access data from a file stored in a file system uses the read system call. The file is identified by a file descriptor that is normally obtained from a previous call to open. This system call reads in data in bytes, the number of which is specified by the caller, from the file and stores then into a buffer supplied by the calling process. The read system call takes three arguments: (en)
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  • Read (sistema-deia) (eu)
  • Read (system call) (en)
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