E
The functions, macros, and data structures in the C library are described here in alphabetical order.
A ¦ B ¦ C ¦ D ¦ E ¦ F ¦ G ¦ H ¦ I ¦ J ¦ K ¦ L ¦ M ¦ N ¦ O ¦ P ¦ Q ¦ R ¦ S ¦ T ¦ U ¦ V ¦ W ¦ X ¦ Y ¦ Z
This chapter describes the API components whose names begin with E.
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- eaccess()
Check to see if a file or directory can be accessed (extended version)
- _edata
The end of the data segment, excluding BSS data
- encrypt()
Encrypt or decrypt a string
- _end
The end of the data segment, including BSS data
- endfsent()
Close the filesystem table (/etc/fstab) file
- endgrent()
Close the group database file
- endhostent()
Close the TCP connection and the hosts file
- ENDIAN_BE16()
Return a big-endian 16-bit value in native format
- ENDIAN_BE32()
Return a big-endian 32-bit value in native format
- ENDIAN_BE64()
Return a big-endian 64-bit value in native format
- ENDIAN_LE16()
Return a little-endian 16-bit value in native format
- ENDIAN_LE32()
Return a little-endian 32-bit value in native format
- ENDIAN_LE64()
Return a little-endian 64-bit value in native format
- ENDIAN_RET16()
Return an endian-swapped 16-bit value
- ENDIAN_RET32()
Return an endian-swapped 32-bit value
- ENDIAN_RET64()
Return an endian-swapped 64-bit value
- ENDIAN_SWAP16()
Endian-swap a 16-bit value in place
- ENDIAN_SWAP32()
Endian-swap a 32-bit value in place
- ENDIAN_SWAP64()
Endian-swap a 64-bit value in place
- endnetent()
Close the network name database file
- endprotoent()
Close the protocol name database file
- endpwent()
Close the password database file
- endservent()
Close the network services database file
- endspent()
Close the shadow password database file
- endutent()
Close the current user-information file
- environ
Pointer to the process's environment variables
- eof()
Test if the end-of-file has been reached
- erand48()
Generate a pseudo-random double in a thread-safe manner
- erf(), erff()
Compute the error function of a number
- erfc(), erfcf(), erfcl()
Complementary error function
- err(), errx()
Display a formatted error message, and then exit
- errno
Global error variable
- _etext
The end of the text segment
- execl()
Execute a file
- execle()
Execute a file
- execlp()
Execute a file
- execlpe()
Execute a file
- execv()
Execute a file
- execve()
Execute a file
- execvp()
Execute a file
- execvpe()
Execute a file
- _exit()
Terminate the program
- exit()
Exit the calling program
- exp(), expf(), expl()
Compute the exponential function of a number
- expm1(), expm1f()
Compute the exponential of a number, then subtract 1