memchr

 

C

Idioma

Escriba apoyo

Gestión de memoria dinámica

Gestión de errores

Programa de servicios públicos

Fecha y hora de los servicios públicos

Strings biblioteca

Algoritmos

Numéricos

Entrada / salida de apoyo

Localización de apoyo

Tema de ayuda (C11)

Operaciones atómicas (C11)

 

Strings biblioteca

Cadenas de bytes

Multibyte cuerdas

Cadenas anchas

 

Terminadas en nulo de bytes

Funciones Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
De manipulación de caracteres 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
Las conversiones a 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 atoi atol atoll strtol strtoll	strtoul strtoull strtof strtod strtold
Cadena de manipulación 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
Cadena examen 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
Memoria manipulación 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
Varios 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

 

Defined in header <string.h>
const void* memchr( const void* ptr, int ch, size_t count );
void* memchr(       void* ptr, int ch, size_t count );

Convierte ch a unsigned char y localiza la primera ocurrencia de ese valor en los personajes count iniciales (cada uno interpreta como unsigned char) del objeto apuntado por ptr .

Original:

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

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Parámetros

ptr	-	puntero al objeto a examinar 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	-	carácter que desea buscar 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 a 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

Puntero a la posición del carácter, o NULL si no se encuentra dicho carácter .

Original:

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

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Ver también

strchr	encuentra la primera aparición de un carácter 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. (función)
C++ documentation for memchr