Usage of findfirst FunctionFunction Name: findfirstFunction prototype: int findfirst (char * fname, struct ffblk * PTR, int attrib)Function: find the name of the first file that matches the fname.Function return:Parameter description: PTR-Save the
Common Linux C functions-memory and string operations-general Linux technology-Linux programming and kernel information. For more information, see the following. Bcmp (memory content comparison)
Related functions: bcmp, strcasecmp, strcmp, strcoll,
Bcmp (memory content comparison)
Related functions: bcmp, strcasecmp, strcmp, strcoll, strncmp, strncasecmp
Header file # include
Define the function int bcmp (const void * S1, const void * S2, int N );
Function Description: bcmp () is used to
Memory and String functions 1) bcmp Compare memory contentsCorrelation function bcmp,strcasecmp,strcmp,strcoll,strncmp,strncasecmpTable header file #include Defines the function int bcmp (const void *s1,const void * s2,int N);The function
#include ignores the size to compare whether two characters are equal. If S1>S2 returns a number greater than 0.If S1 = S2 Returns a 0. If S1/***********************************************************************************************************
1. char *
Char * buff = "orisun ";
Sizeof (buff) = 4 store a pointer with 32 bits
Strlen (buff) = 6 strlen returns the actual length of the string, excluding '\ 0' at the end'
2. Char [N]
Char Bu [100] = "orisun"; From 7th to 100th bits are both '\ 0
void *memcpy (void *dest, const void *SRC, size_t n);Copies n bytes from the starting position of the memory address referred to by the source SRC to the starting position of the memory address referred to by the target dest.void *memmove (void*
Yii is a component-based (component-based) Web framework, and the Ccomponent class is the base class for all components.The Ccomponent class provides an attribute-based (property), event, and behavior (behavior) programming interface for subclasses.1
Void * memcpy (void * dest, const void * src, size_t n );Copy n Bytes from the starting position of the memory address in the source src to the starting position of the memory address in the target dest.
Void * memmove (void * dest, const void *
Introduced
SSCANF () is a C language standard library function that reads data that matches the specified format from the specified string. The function prototype is declared in the stdio.h header file:
int sscanf (const char *STR, const
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