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分享定义语句char a[15]="windows", b[]="95";,语句printf("%s,strcpy(a,b,7));的输出结果为?
说实话,strcpy(a,b,7)怎么理解?
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hhaiping 2003-05-03
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谢谢各位!
mfs 2003-05-03
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应该是strncpy(a,b,7)吧.
复制b中的前7个字符到a中
复制b中的前7个字符到a中
yiminggw 2003-05-03
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??`
maurice1983 2003-05-03
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??
luohualiushui 2003-05-03
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/* STRNCPY.C */
#include <string.h>
#include <stdio.h>
void main( void )
{
char string[100] = "Cats are nice usually";
printf ( "Before: %s\n", string );
strncpy( string, "Dogs", 4 );
strncpy( string + 9, "mean", 4 );
printf ( "After: %s\n", string );
}
Output
Before: Cats are nice usually
After: Dogs are mean usually
#include <string.h>
#include <stdio.h>
void main( void )
{
char string[100] = "Cats are nice usually";
printf ( "Before: %s\n", string );
strncpy( string, "Dogs", 4 );
strncpy( string + 9, "mean", 4 );
printf ( "After: %s\n", string );
}
Output
Before: Cats are nice usually
After: Dogs are mean usually
luohualiushui 2003-05-03
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/* STRCPY.C: This program uses strcpy
* and strcat to build a phrase.
*/
#include <string.h>
#include <stdio.h>
void main( void )
{
char string[80];
strcpy( string, "Hello world from " );
strcat( string, "strcpy " );
strcat( string, "and " );
strcat( string, "strcat!" );
printf( "String = %s\n", string );
}
Output
String = Hello world from strcpy and strcat!
* and strcat to build a phrase.
*/
#include <string.h>
#include <stdio.h>
void main( void )
{
char string[80];
strcpy( string, "Hello world from " );
strcat( string, "strcpy " );
strcat( string, "and " );
strcat( string, "strcat!" );
printf( "String = %s\n", string );
}
Output
String = Hello world from strcpy and strcat!
