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wcscmp.3p (2582B)

    

  1. '\" et
  2. .TH WCSCMP "3P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual"
  3. .\"
  4. .SH PROLOG
  5. This manual page is part of the POSIX Programmer's Manual.
  6. The Linux implementation of this interface may differ (consult
  7. the corresponding Linux manual page for details of Linux behavior),
  8. or the interface may not be implemented on Linux.
  9. .\"
  10. .SH NAME
  11. wcscmp
  12. \(em compare two wide-character strings
  13. .SH SYNOPSIS
  14. .LP
  15. .nf
  16. #include <wchar.h>
  17. .P
  18. int wcscmp(const wchar_t *\fIws1\fP, const wchar_t *\fIws2\fP);
  19. .fi
  20. .SH DESCRIPTION
  21. The functionality described on this reference page is aligned with the
  22. ISO\ C standard. Any conflict between the requirements described here and the
  23. ISO\ C standard is unintentional. This volume of POSIX.1\(hy2017 defers to the ISO\ C standard.
  24. .P
  25. The
  26. \fIwcscmp\fR()
  27. function shall compare the wide-character string pointed to by
  28. .IR ws1
  29. to the wide-character string pointed to by
  30. .IR ws2 .
  31. .P
  32. The sign of a non-zero return value shall be determined by the sign of
  33. the difference between the values of the first pair of wide-character
  34. codes that differ in the objects being compared.
  35. .SH "RETURN VALUE"
  36. Upon completion,
  37. \fIwcscmp\fR()
  38. shall return an integer greater than, equal to, or less than 0, if the
  39. wide-character string pointed to by
  40. .IR ws1
  41. is greater than, equal to, or less than the wide-character string
  42. pointed to by
  43. .IR ws2 ,
  44. respectively.
  45. .SH ERRORS
  46. No errors are defined.
  47. .LP
  48. .IR "The following sections are informative."
  49. .SH EXAMPLES
  50. None.
  51. .SH "APPLICATION USAGE"
  52. None.
  53. .SH RATIONALE
  54. None.
  55. .SH "FUTURE DIRECTIONS"
  56. None.
  57. .SH "SEE ALSO"
  58. .IR "\fIwcscasecmp\fR\^(\|)",
  59. .IR "\fIwcsncmp\fR\^(\|)"
  60. .P
  61. The Base Definitions volume of POSIX.1\(hy2017,
  62. .IR "\fB<wchar.h>\fP"
  63. .\"
  64. .SH COPYRIGHT
  65. Portions of this text are reprinted and reproduced in electronic form
  66. from IEEE Std 1003.1-2017, Standard for Information Technology
  67. -- Portable Operating System Interface (POSIX), The Open Group Base
  68. Specifications Issue 7, 2018 Edition,
  69. Copyright (C) 2018 by the Institute of
  70. Electrical and Electronics Engineers, Inc and The Open Group.
  71. In the event of any discrepancy between this version and the original IEEE and
  72. The Open Group Standard, the original IEEE and The Open Group Standard
  73. is the referee document. The original Standard can be obtained online at
  74. http://www.opengroup.org/unix/online.html .
  75. .PP
  76. Any typographical or formatting errors that appear
  77. in this page are most likely
  78. to have been introduced during the conversion of the source files to
  79. man page format. To report such errors, see
  80. https://www.kernel.org/doc/man-pages/reporting_bugs.html .