7.4.3  
Character string functions
 
Character string functions are as follows.
Table 7.5  | Character String Functions  | 
 
| 
 | 
 | 
| 
 
strpbrk 
 | 
 
Character string search (start position) 
 | 
| 
 
strrchr 
 | 
 
Character string search (end position) 
 | 
| 
 
strchr 
 | 
 
Character string search (start position of specified character) 
 | 
| 
 
strstr 
 | 
 
Character string search (start position of specified character string) 
 | 
| 
 
strspn 
 | 
 
Character string search (maximum length including specified character) 
 | 
| 
 
strcspn 
 | 
 
Character string search (maximum length not including specified character) 
 | 
| 
 
strcmp 
 | 
 
Character string comparison 
 | 
| 
 
strncmp 
 | 
 
Character string comparison (with number of characters specified) 
 | 
| 
 
strcpy 
 | 
 
Character string copy 
 | 
| 
 
strncpy 
 | 
 
Character string copy (with number of characters specified) 
 | 
| 
 
strcat 
 | 
 
Character string concatenation 
 | 
| 
 
strncat 
 | 
 
Character string concatenation (with number of characters specified) 
 | 
| 
 
strtok 
 | 
 
Token division 
 | 
| 
 
strlen 
 | 
 
Length of character string 
 | 
| 
 
strerror 
 | 
 
Character string conversion of error number 
 |