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wcsrchr.3p (2551B)

    

  1. '\" et
  2. .TH WCSRCHR "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. wcsrchr
  12. \(em wide-character string scanning operation
  13. .SH SYNOPSIS
  14. .LP
  15. .nf
  16. #include <wchar.h>
  17. .P
  18. wchar_t *wcsrchr(const wchar_t *\fIws\fP, wchar_t \fIwc\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. \fIwcsrchr\fR()
  27. function shall locate the last occurrence of
  28. .IR wc
  29. in the wide-character string pointed to by
  30. .IR ws .
  31. The application shall ensure that the value of
  32. .IR wc
  33. is a character representable as a type
  34. .BR wchar_t
  35. and a wide-character code corresponding to a valid character in the
  36. current locale. The terminating null wide-character code shall be
  37. considered to be part of the wide-character string.
  38. .SH "RETURN VALUE"
  39. Upon successful completion,
  40. \fIwcsrchr\fR()
  41. shall return a pointer to the wide-character code or a null pointer if
  42. .IR wc
  43. does not occur in the wide-character string.
  44. .SH ERRORS
  45. No errors are defined.
  46. .LP
  47. .IR "The following sections are informative."
  48. .SH EXAMPLES
  49. None.
  50. .SH "APPLICATION USAGE"
  51. None.
  52. .SH RATIONALE
  53. None.
  54. .SH "FUTURE DIRECTIONS"
  55. None.
  56. .SH "SEE ALSO"
  57. .IR "\fIwcschr\fR\^(\|)"
  58. .P
  59. The Base Definitions volume of POSIX.1\(hy2017,
  60. .IR "\fB<wchar.h>\fP"
  61. .\"
  62. .SH COPYRIGHT
  63. Portions of this text are reprinted and reproduced in electronic form
  64. from IEEE Std 1003.1-2017, Standard for Information Technology
  65. -- Portable Operating System Interface (POSIX), The Open Group Base
  66. Specifications Issue 7, 2018 Edition,
  67. Copyright (C) 2018 by the Institute of
  68. Electrical and Electronics Engineers, Inc and The Open Group.
  69. In the event of any discrepancy between this version and the original IEEE and
  70. The Open Group Standard, the original IEEE and The Open Group Standard
  71. is the referee document. The original Standard can be obtained online at
  72. http://www.opengroup.org/unix/online.html .
  73. .PP
  74. Any typographical or formatting errors that appear
  75. in this page are most likely
  76. to have been introduced during the conversion of the source files to
  77. man page format. To report such errors, see
  78. https://www.kernel.org/doc/man-pages/reporting_bugs.html .