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    islower

    De cppreference.com
    < c | string | byte
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    <metanoindex/>

     
    C
     
    Bibliothèque cordes
     
    Chaînes d'octets à zéro terminal
    Fonctions
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    Functions
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    Manipulation caractère
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    Character manipulation
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    <tbody> </tbody>
    Déclaré dans l'en-tête <ctype.h>
    int islower( int ch );

    Vérifie si le caractère donné est un caractère minuscule en fonction de la localisation courante. Dans localisation courante, islower retourne true uniquement pour les lettres minuscules (abcdefghijklmnopqrstuvwxyz) .

    Si islower retourne true, il est garanti que iscntrl, isdigit, ispunct et isspace retournent false pour le même caractère dans la même langue.

    Paramètres

    ch - caractère

    Retourne la valeur

    Valeur non nulle (true) si le caractère est une lettre minuscule, 0 (false) sinon.

    Voir aussi
    vérifie si un caractère large est un caractère en minuscule
    Original:
    checks if a wide character is an lowercase character
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    (fonction) [edit]
    C++ documentation for islower
    ASCII values
    (hex)     		characters

    iscntrl
    iswcntrl

    isprint
    iswprint

    isspace
    iswspace

    isblank
    iswblank

    isgraph
    iswgraph

    ispunct
    iswpunct

    isalnum
    iswalnum

    isalpha
    iswalpha

    isupper
    iswupper

    islower
    iswlower

    isdigit
    iswdigit

    isxdigit
    iswxdigit

    0 - 8 0x00-0x08 control codes (NUL, etc.) ≠0 0 0 0 0 0 0 0 0 0 0 0
    9 0x09 tab (\t) ≠0 0 ≠0 ≠0 0 0 0 0 0 0 0 0
    10 - 13 0x0A-0x0D whitespaces (\n,\v,\f,\r) ≠0 0 ≠0 0 0 0 0 0 0 0 0 0
    14 - 31 0x0E-0x1F control codes ≠0 0 0 0 0 0 0 0 0 0 0 0
    32 0x20 space 0 ≠0 ≠0 ≠0 0 0 0 0 0 0 0 0
    33 - 47 0x21-0x2F !"#$%&'()*+,-./ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
    48 - 57 0x30-0x39 0123456789 0 ≠0 0 0 ≠0 0 ≠0 0 0 0 ≠0 ≠0
    58 - 64 0x3a-0x40 :;<=>?@ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
    65 - 70 0x41-0x46 ABCDEF 0 ≠0 0 0 ≠0 0 ≠0 ≠0 ≠0 0 0 ≠0
    71 - 90 0x47-0x5A GHIJKLMNOPQRSTUVWXYZ 0 ≠0 0 0 ≠0 0 ≠0 ≠0 ≠0 0 0 0
    91 - 96 0x5B-0x60 [\]^_` 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
    97 -102 0x61-0x66 abcdef 0 ≠0 0 0 ≠0 0 ≠0 ≠0 0 ≠0 0 ≠0
    103-122 0x67-0x7A ghijklmnopqrstuvwxyz 0 ≠0 0 0 ≠0 0 ≠0 ≠0 0 ≠0 0 0
    123-126 0x7B-0x7E {|}~ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
    127 0x7F backspace character (DEL) ≠0 0 0 0 0 0 0 0 0 0 0 0