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£¨2£© char *strcat( char *strDestination, const char *strSource );°ÑÇ°ºóÁ½¸ö×Ö·û´®Á¬½ÓÆðÀ´
£¨3£© char *strcpy( char *strDestination, const char *strSource );¿½±´º¯Êý£¬¡¡
£¨4£© int strcmp( const char *string1, const char *string2 );±È½Ïº¯Êý£¬¡¡
£¨5£© size_t strlen( const char *string );Ç󳤶Ⱥ¯Êý£¬
£¨6£© char *_strupr( char *string );С´óдת»»º¯Êý£¬×ª»»×Ö·û´®µÄ´óСд¡£
£¨2£©char str[ ]= £¢Hello£¢; sizeof(str) = 1BYTE
char *p=str; sizeof(p) = 4BYTE
float n=10.0; sizeof(n) = 4byte
£¨3£©char a[2][2][3]={{{1,6,3},{5,4,15}},{{22,19,33},{23,12,7}} };
char a[1][1][3] =
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#include
#include<>
/*×Ö·ûת»»º¯Êý*/
Int Str_Convert(char* str)
{
Int nLen=0 ;
nLen=strlen(str);
for(int i=0;i
{
char ch;
ch = str[i];
str[i] = str[nLen-i];
str[nLen-i] = ch;
}
}
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Éè¼Æº¯ÊýʵÏÖ int atoi(char *s)¡£
#include //½«×Ö·û´®×ª»¯ÎªÕûÊý²¢·µ»Ø¸ÃÖµ
int atoi(char *s)
{
int i,result=0,length;
length=strlen(s);
if(s[0] == ¡®-¡¯) i=1; //ÈôÊǸºÊý£¬Ôò´ÓµÚÒ»¸ö×Ö·û¿ªÊ¼¼ÆÊý
else i=0; //·ñÔò´Ó0ºÅλ¿ªÊ¼¼ÆÊý
for( ; i < length; ++i)
{
result = result * 10 + s[i] ¨C 48; //48ÊÇ×Ö·û0µÄASCIIÂë
}
if(s[0] == ¡®-¡¯) return -1 * result;
else return result;
£¨7£© }