memchr

 

C

Linguagem

Digite apoio

Gerenciamento de memória dinâmica

De tratamento de erros

Utilidades do programa

Utilitários de data e hora

Biblioteca cordas

Algoritmos

Numéricos

Entrada / saída de apoio

Suporte de localização

Apoio discussão(C11)

Operações atômicas(C11)

 

Biblioteca cordas

Cadeias de bytes

Multibyte cordas

Cordas de largura

 

Cordas de terminação nula de bytes

Funções Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Manipulação personagem Original: Character manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
isalnum isalpha islower isupper isdigit isxdigit isblank (C++11)	iscntrl isgraph isspace isprint ispunct tolower toupper
Conversões para formatos numéricos Original: Conversions to numeric formats The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
atof atoiatolatoll strtolstrtoll	strtoulstrtoull strtofstrtodstrtold
Manipulação de cadeia Original: String manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
strcpy
strncpy
strcat
strncat
strxfrm
Exame String Original: String examination The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
strlen strcmp strncmp strcoll strchr strrchr	strspn strcspn strpbrk strstr strtok
Manipulação de memória Original: Memory manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
memchr
memcmp
memset
memcpy
memmove
Diversos Original: Miscellaneous The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
strerror

 

Definido no cabeçalho <string.h>
constvoid* memchr(constvoid* ptr, int ch, size_t count );
void* memchr(       void* ptr, int ch, size_t count );

Converte ch para unsignedchar e localiza a primeira ocorrência desse valor nos personagens count iniciais (cada interpretado como unsignedchar) do objeto apontado por ptr.

Original:

Converts ch to unsignedchar and locates the first occurrence of that value in the initial count characters (each interpreted as unsignedchar) of the object pointed to by ptr.

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Parâmetros

ptr	-	ponteiro para o objeto a ser examinado Original: pointer to the object to be examined The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ch	-	caracteres para pesquisa Original: character to search for The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
count	-	número de caracteres para examinar Original: number of characters to examine The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valor de retorno

Ponteiro para a localização do personagem, ou NULL se nenhum desses personagens é encontrada.

Original:

Pointer to the location of the character, or NULL if no such character is found.

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Veja também

strchr	encontra a primeira ocorrência de um caractere Original: finds the first occurrence of a character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função)
C++ documentation for memchr