STRING(3C)

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STRING(3C)

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string: strcat, strncat, strdup, strcmp, strncmp, strcpy, strncpy, strlen, strchr, strrchr, strpbrk, strspn, strcspn, strtok - ��

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	#include <string.h>
	#include <sys/types.h>
	
	char *strcat (s1, s2)
	char *s1, *s2;
	
	char *strncat (s1, s2, n)
	char *s1, *s2;
	size_t n;
	
	char *strdup (s1)
	char *s1;
	
	int strcmp (s1, s2)
	char *s1, *s2;
	
	int strncmp (s1, s2, n)
	char *s1, *s2;
	size_t n;
	
	char *strcpy (s1, s2)
	char *s1, *s2;
	
	char *strncpy (s1, s2, n)
	char *s1, *s2;
	size_t n;
	
	int strlen (s)
	char *s;
	
	char *strchr (s, c)
	char *s;
	int c;
	
	char *strrchr (s, c)
	char *s;
	int c;
	
	char *strpbrk (s1, s2)
	char *s1, *s2;
	
	int strspn (s1, s2)
	char *s1, *s2;
	
	int strcspn (s1, s2)
	char *s1, *s2;
	
	char *strtok (s1, s2)
	char *s1, *s2;

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�� s1, s2 � s �� , �� . �� "��, �� s1" �� "�� s1" �� "s1".

�� strcat, strncat, strcpy � strncpy �� s1. �� , �� s1.

�� strcat �� s2 � �� s1. �� strncat �� n ��. �� , �� .

�� strdup �� , �� s1. �� malloc(3C). �� , �� , �� strdup �� NULL.

�� strcmp �� , �� , �� , �� s1 �� s2, �� , �� . �� strncmp �� , �� n �� .

�� strcpy �� s2 � s1, �� , �� . �� strncpy �� n ��, �� s2 �� s1. �� , �� s2 �� n �� . �� s1.

�� strlen �� , �� s, �� .

�� strchr (strrchr) �� (��) �� c � �� s, �� NULL, �� . �� .

�� strpbrk �� s1 ��-�� s2, �� NULL, �� s1 �� s2.

�� strspn (strcspn) �� s1, �� , �� (�� ) � �� s2.

�� strtok �� s1, �� (�� , ��) �� , �� s2. �� (� �� s1) �� , � � �� s1 ��, �� , �� . �� , �� (�� NULL) �� s1, �� . �� , �� s1 �� . �� s2 �� . �� strtok �� NULL.

�� <string.h>.

��. ��
malloc(3C), malloc(3X).

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�� strcmp � strncmp �� . �� , �� , �� , ��-��. � �� .